Donald Trump and Hillary Clinton covered a lot of ground in their first debate, but there were several foreign policy issues that deserve a closer look. On these questions, the next president will have some hard choices to make. 1. Trade This is an issue where Trump forcefully pressed his case. He expressed disgust for both the North American Free Trade Agreement (NAFTA), in force for the past 20 years, and the Trans-Pacific Partnership (TPP), which Congress has yet to ratify.