The United States has reactivated sanctions against Iran that could trigger the collapse of the multilateral Iran nuclear deal.

President Trump has struck a new NAFTA deal with Mexico, but with severe disagreements remaining between the U.S. and Canada, his approach to trade negotiations is about to get its biggest test yet.

Can South Korea’s Moon Jae-in broker a process for North Korean denuclearization acceptable to both Washington and Pyongyang?

The European Parliament’s vote to reprimand Hungary over its growing authoritarianism has tested the EU’s readiness to stand up to illiberalism within the bloc.

Brazil’s general election will be one of the biggest tests of its democracy in decades. Here’s a rundown of the candidates and issues to watch.