Which of the following caused the Iran hostage crisis in 1979?

Israel and Egypt signing a peace treaty

the Shah's entry into the United States

the Soviet invasion of Afghanistan

Khomeini's entry into the United States

Shahs entry into the Unites States

B) the Shah's entry into the United States

On November 4, 1979, a group of Iranian students stormed the U. S. Embassy in Tehran, taking more than 60 American hostages. The immediate cause of this action was President Jimmy Carter's decision to allow Iran's deposed Shah, a pro-Western autocrat who had been expelled from his country some months before, to come to the United States for cancer treatment.