What kinds of roles has the United States played as the sole remaining superpower?

Which of the following leaders launched successful revolutions against spanish rule in the northern regions of south america?

Which of the following is an example of one of the successes of the marshall plan? a. a few eastern european countries decided to turn to democracy. b. western european economies were stronger than they had been before wwii. c. borders between western and eastern european countries shifted. d. eastern european countries eventually took part in the plan. ( answer in the format above so i can understand)

Difference between president and vice president