After the revolution of 1979, Iran embarked on a policy of sectarianism. Iran began a policy of expanding its revolution, of interfering with the affairs of its neighbors, a policy of assassinating diplomats and of attacking embassies. Iran is responsible for a number of terrorist attacks in the Kingdom, it is responsible for smuggling explosives and drugs into Saudi Arabia. And Iran is responsible for setting up sectarian militias in Iraq, Pakistan, Afghanistan and Yemen, whose objective is to destabilize those countries.