PLEASE HELP AND EXPLAIN NO LINKS! PLEASE GIVE A EXPLANATION THANK YOU! Today the United States sees the world as a global community. Countries such as Japan, Egypt, Argentina, and many European countries that have not always seen eye to eye with the U. S. now cooperate fully with this world super power. Explain why they do so.

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)

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

What role did the alliance system play in preventing austria-hungary and serbia from coming to a compromise settlement?