How do correlation and causation differ?

Which of the following statements best describes the spread of communism in the years immediately following world war ii? a. the number of communist countries increased during these years. b. the number of communist countries decreased during these years. c. the number of communist countries stayed the same during these years. d. the number of communist countries increased in asia but decreased in europe. ( answer in the format above for me to understand)

Which of the following is one example of an ideological conflict that became one of the causes of world war ii?

Brainliestttme : describe the following event: increase in islamic extremism in the middle east