The term of former U.S. President Donald Trump marked a four-year period of adversarial foreign policy toward nations in Latin America, some of which fell under Mr. Trump’s definition of “shithole countries.” Now, with Joe Biden in the White House, there are renewed hopes for relations between the U.S. and its neighbors to the south, particularly regarding Cuba, Brazil, and immigration policy as a whole.
During his first days in office, Mr. Biden overturned a series of anti-immigration policies instituted by his predecessor, including a ban on including undocumented immigrants in census numbers and — most notably — suspending...