Explainer: What is the Trump-era 'remain in Mexico' program the Supreme Court said Biden can end?

The U.S. Supreme Court on Thursday ruled that President Joe Biden can end a program put in place by his predecessor former President Donald Trump, which forces non-Mexican asylum seekers to wait in Mexico for their U.S. court dates. read more

Here are some answers to questions about how we got to this point and what happens next:

Trump, a Republican, launched the program officially known as the Migrant Protection Protocols (MPP), and commonly called "remain in Mexico," in 2019 as part of a broader crackdown on illegal immigration and asylum seekers.