Please help I don’t understand any of these questions.

Where were most textile factories located in north carolina? next to rivers and power plants in the mountains region next to cotton fields and ocean ports on the outer coastal plain along rail lines and forests in the inner coastal plain along rail lines and rivers in the piedmont region

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)

What were some of the most important native items adopted by europeans ? what impact did they have on european life ?