How did the fighting in Iwo Jima and Okinawa affect the allies pacific strategy

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 united states surprise other delegates at the washington naval conference in 1921?

Government powers not provided to the national government in the us constitution but are rather given to the states by the 10th amendment is called?