Americans discriminated against Irish immigrants because they were Catholic.
Answer:
They feared a military attack, as their military was not strong enough compared to the Western countries.
Explanation:
Shah Reza Pahlavi was a brutal dictator, but his departure did not mean Iran was more free. The Shah was pro-west, and would brutally crack down on any dissent. He was replaced by Ayatollah Khomeini, who helped to install a religous dictatorship in Iran. Everything that the Shah had stood for --- including the western world --- was now seen with open contempt by the government.
Answer:
political corruption was set aside.