One of the reasons why Iranian radicals took American hostages at the U.S. Embassy in 1979: the US government was providing medical care for the Shah and the iranians wanted to remove the existing iranian government, so it could not ally to the United States.
So, the correct answer is b)
Us citizens periodttttttttt
The answer is a cover-up involved criminal activities and obstruction of justice by the president of the United States.
Answer:
a competition between nations for superiority in the development and accumulation of weapons, especially between the US and the former Soviet Union during the Cold War.