The U.S. and Colombia pulled back from the brink of a trade war on Sunday after the White House said the South American nation had agreed to accept military aircraft from San Diego carrying deported migrants.

The diplomatic drama that began over the weekend provided clues on how Trump would deal with countries standing in the way of his immigration policies.

Colombian President Gustavo Petro agrees to receive undocumented migrants as President Donald Trump steps up deportation efforts. Mr. Petro initially rejected two groups of migrants sent to Colombia because they were not treated with “dignity.