It should be war, famine, and class struggles. I really hope this helps, let me know if you need clarification.
Answer: Carter lost popularity over the Iranian crisis because many Americans felt his response to the crisis was slow and indecisive. Many felt he did not harness the power of the US to effectively address the crisis
Explanation: Carter's response to the crisis led to his defeat in 1980 by Ronald Reagan.
Answer:
First, the February Russian Revolution toppled the Russian monarchy and established a Provisional Government. Then in October, a second Russian Revolution.
Explanation: