Introduction
Introduction
President Trump's withdrawal from the landmark 2015 Iran nuclear deal and his crippling economic sanctions against Tehran have added more volatile elements to an already tense Middle East. Trump wants to force Iran to permanently halt its nuclear and ballistic missile programs and stop supporting Shiite militants fighting Sunni governments across the region. The sanctions, while causing suffering for many Iranians, have united the country behind its defiant clerical leadership. Tehran has sought to raise the stakes of the confrontation and encourage global pressure on Trump to lift his sanctions by downing a U.S. drone and harassing foreign oil tankers in the Persian Gulf. American officials also accuse Iran of attacking Saudi Arabia's oil installations. So far, Trump has not responded militarily, but neither has ...