Leaders from more than 160 countries — but not the U.S. — gathered in Marrekesh, Morocco, Monday to approve an international agreement aimed at doing more to help migrants.

The Global Compact for Safe, Orderly, and Regular Migration was signed just days after the State Department said the United Nations was using the process to “advance global governance at the expense of the sovereign right of States to manage their immigration systems in accordance with their national laws, policies, and interests.”