What were the primary sources of oil prior to drilling?

How did the economy in the 20’s lead to the florida land boom.

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)

How did the location of islamic lands make cultural diffusion possible