WASHINGTON — President Biden on Monday sought assist in averting a brand new disaster on the border from President Andrés Manuel López Obrador of Mexico, in search of diplomatic cooperation from one of many key supporters of the tough ways imposed by Mr. Biden’s predecessor to choke off immigration.

Mr. López Obrador gained the admiration of President Donald J. Trump for cooperating on his hard-line immigration agenda, even praising Mr. Trump throughout a name with Mr. Biden, then the president-elect, in December.

Going through an uptick of unlawful migrant crossings at some elements of the southwestern border, Mr. Biden is now hoping Mr. López Obrador will develop into a associate in stopping one other cycle of out-of-control migration from Central America, however achieve this with out resorting to the complete vary of insurance policies Mr. Trump embraced.

Regardless of campaigning towards Mr. Trump’s insurance policies, Mr. Biden desires one of many similar issues from the Mexican president that his predecessor did: assist in preserving Central American migrants from instantly surging north towards america by Mexico.

Whereas Mr. Biden has offered himself as breaking sharply with Trump administration immigration insurance policies, he has stored some for now whereas abandoning others.

The president has not too long ago begun welcoming a limited number of asylum seekers again to america who had been exposed to violence and kidnappings in harmful areas of Mexico underneath a Trump-era program. However the Biden administration has stored in place a separate Trump coverage that empowers agents to rapidly expel new arrivals on the border to Mexican authorities as Mr. Biden hopes to keep away from a disaster that challenged his predecessors.

Each insurance policies had been accepted by Mr. López Obrador with little resistance when they were first imposed by Mr. Trump.

Mr. López Obrador not too long ago referred to as for a brand new visitor employee program for Mexicans and Central People in america, though Mr. Biden’s press secretary mentioned on Monday the transfer would require laws from Congress.

However whereas Mr. Trump initially threatened Mexico with tariffs and a shutdown of the border to win cooperation along with his immigration agenda, Mr. Biden heaped reward on Mr. López Obrador on Monday. Mr. Biden has additionally signaled that he’s wanting to open the U.S.-Mexico border to full commerce when the pandemic permits it to occur.

“The US and Mexico are stronger once we stand collectively,” Mr. Biden mentioned firstly of a digital assembly with the Mexican president, whereas acknowledging that the international locations haven’t been “excellent” neighbors. He mentioned that in the course of the Obama administration, “we checked out Mexico as an equal — you might be equal.”

The dialog got here after a tumultuous begin between the 2 leaders. Mr. López Obrador, one of many final leaders to congratulate Mr. Biden on his election victory, had come to see the Biden administration as probably more interfering than Mr. Trump’s, which largely shunned pressuring the Mexican president on home issues.

Mr. López Obrador additionally not too long ago adopted a measure to limit cooperation with American narcotics brokers in a sharp rebuke after america arrested a former Mexican official on drug trafficking costs.

“What you do in Mexico and the way you succeed impacts the remainder of the hemisphere,” Mr. Biden informed him.

Mr. López Obrador later informed Mr. Biden that “it will be significant that we base our good relationships on fixed dialogue, periodic dialogue.”

Earlier than the assembly, Alejandro N. Mayorkas, the homeland security secretary, denounced what he referred to as the “depths of cruelty” of the Trump administration’s immigration philosophy, telling reporters that the separation of households on the border was “essentially the most highly effective and heartbreaking instance” of Mr. Trump’s assault on the immigration system.

However whilst Mr. Biden seeks to unwind these insurance policies, Mr. Mayorkas acknowledged that america continued to rely, for now, on a measure on the coronary heart of Mr. Trump’s strategy: a public well being rule that requires border brokers to shortly deport border crossers to Mexico with no probability to request asylum.

“They should wait. It takes time to rebuild the system from scratch,” Mr. Mayorkas mentioned of potential asylum seekers.

Mr. Biden has made immigration considered one of his high legislative and diplomatic priorities, shifting shortly to boost Trump-era limits on refugees who will be allowed into america and calling on Congress to cross a far-reaching invoice that might give a path to citizenship to 11 million undocumented immigrants already living in the country.

The Biden administration has additionally fashioned a process drive to unite mother and father separated from their kids underneath Mr. Trump’s household separations coverage. Mr. Mayorkas mentioned on Monday that Michelle Brané, the previous director of migrant rights and justice on the Ladies’s Refugee Fee, would lead the trouble to unite the households, who could possibly be offered the choice to stay in america completely. Mr. Mayorkas stopped in need of promising the mother and father citizenship.

Republicans have already signaled that they intend to grab Mr. Biden’s reversals of his predecessor’s immigration insurance policies as a cornerstone of their effort to take again Congress in 2022 and recapture the White Home two years later.

In an echo of his profitable 2016 marketing campaign, Mr. Trump has already offered a road map for Republican candidates in 2022 by as soon as once more exaggerating the scenario on the border and falsely stating that Mr. Biden’s strategy is “to cancel border safety.”

Mr. Mayorkas rejected the assertion that the scenario on the border had advanced right into a disaster, even because the Customs and Border Safety company reassigned brokers from coastal and northern borders to the Rio Grande Valley “resulting from fluctuations alongside the southwest border,” in keeping with an company assertion.

“There’s a problem on the border that we’re managing,” Mr. Mayorkas mentioned.

Whereas Mr. Biden is unwinding the Migrant Safety Protocols program that compelled migrants to attend in Mexico for an adjudication of their asylum instances, he has stored one other Trump-rule in place that empowers border brokers to swiftly expel migrants and switch them over to Mexican authorities.

Each the Biden and Trump administrations have mentioned the coverage is critical to stop the unfold of the coronavirus in border communities, whilst advocates for immigrants say it diminishes the due course of rights of asylum seekers.

Border brokers encountered a migrant on the border about 78,000 occasions in January, the best quantity for that month in no less than a decade, according to data from Customs and Border Protection. Greater than 80 % of these arrests resulted within the swift expulsion of the migrant underneath the emergency rule, relatively than the processing of a migrant in a detention facility.

Mr. Biden just isn’t utilizing the rule to expel unaccompanied migrant kids, a apply that underneath Mr. Trump brought on households to scramble to search out Central American kids and violated a diplomatic settlement with Mexico. As a substitute, underneath the Biden administration, a lot of the unaccompanied kids, arriving from Central America by the hundreds per day, are being positioned in quarantine and shuttled to shelters in america till they’re matched with a relative sponsor.

With border detention services already at restricted capability due to the pandemic, the Biden administration additionally opened a short lived shelter in Texas to deal with migrant youngsters. The usage of short-term shelters confronted widespread criticism in the course of the Trump administration.

The administration is hoping the short-term services are sufficient till it builds up infrastructure on the border. Within the meantime, Mr. Biden continues to depend on Mr. Trump’s pandemic emergency rule to show away new arrivals on the border.

Regardless of the emergency rule, border brokers have for weeks launched a restricted variety of households into communities in South Texas due to a change in Mexican legislation that has been the topic of inside discussions between Mexican and American authorities officers in current weeks, in keeping with a senior administration official.

Biden administration officers have mentioned the current change in Mexican law that prohibits the detention of babies within the state of Tamaulipas has compelled border brokers to launch dozens of households per day into border communities in america. The Customs and Border Safety company doesn’t take a look at every migrant for the coronavirus however depends on native officers to supply testing to the households after they’re launched, inflicting widespread concern in border communities, mentioned Consultant Henry Cuellar, Democrat of Texas.

On the similar time, pandemic restrictions stay in place on nonessential vacationers who’ve lengthy stimulated the native economic system alongside the border, he mentioned.

The rise in migration, Mr. Cuellar mentioned, has made the connection with Mexico much more essential. “The entire secret’s, how are they going to work with us?” he mentioned.