The Trump administration announced a policy change requiring foreigners seeking green cards in the U.S. to apply from their home countries. This reverses a long-standing policy and has caused confusion.

<img alt="An information packet that says U.S. Citizenship and Immigration Services and a miniature American flag." height="349" src="https://i.cbc.ca/ais/5bcaeee3-3a51-4700-80e0-b5fde1268b90,1779495948027/full/max/0/default.jpg?im=Crop%2Crect%3D%280%2C145%2C4908%2C2760%29%3BResize%3D%28620%29" title="In this file photo, an information packet and an American flag are placed on a chair at the U.S. Citizenship and Immigration Services Miami Field Office on Aug. 17, 2018, in Miami. (AP Photo/Wilfre...