What is the correct definition of an opportunity cost

What was the purpose of the party-nominating conventions, which were started during the Jacksonian era?

Which of the following was a key in the growth of the empire of Meroe? It controlled Lake Albert, a rich source of salt, which was a valuable trade item in Africa.

Which area was probably the largest source of gold for the Egyptians

After taking office, President Ford resolved the lingering issue of Watergate by a. ordering Nixon's prosecution. b. pardoning Nixon. c. releasing the Watergate tapes. d. imprisoning Nixon.

U. S. laws supported removal of Native Americans because the government wanted to () westward.

Which situation was a direct result ofthe Holocaust and other atrocities committed by the Nazis during World War II?

Carrying out policy and enforcing laws are duties of which branch of the government? A. executive B. judicial C. legislative D. the courts

What was the principal goal of the women's rights movement after the civil war?

Who was George Washington and what did he do

By wars end in how many African Americans had joined the revolutionary war? A) 500 B) 5000 C) 50,000 D) 500,000