What was the extent of the russian empire's expansion between the 9th century and the end of the 17th century?

What two bodies of water were connected by the panama canal

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 clause(s) expanded the power of the executive branch, especially relating to foreign policy?