Why was the trade route of rum, slaves, and sugar and molasses the triangular trade

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 growth of the middle class affect social reform during the industrial revolution?

What from the columbian exchange had perhaps the biggest impact on the world?