The U.S. has advocated strengthening oil embargoes against Iran because _____.
Iran’s military was becoming involved in the Syrian civil war
Iran is developing weapons-grade uranium
Iran is holding U.S. citizens hostage
Iran is threatening to invade neighboring Iraq
Iran’s military was becoming involved in the Syrian civil war
Iran is developing weapons-grade uranium
Iran is holding U.S. citizens hostage
Iran is threatening to invade neighboring Iraq