The ends of the geologic eras such as the Paleozoic and Mesozoic are marked by

A.

mass extinctions.

B.

index fossils.

C.

radioactive decay.

D.

climate changes.

Describe a cause of the economic boom of the 1920s

Why did the number of corporations grow dramatically after 1870? A. Corporations were able to operate in only one area. B. Corporations had protection so that investors would not lose money. C. Corporations had access to money and new technology. D.

Select All That Apply. Which of the following were Lyndon Johnson's goals as president? A. wipe out poverty B. equality for all men and women C. a good education for every child D. minimum wage E. caring for old people

List 3 powers granted to the house of representatives

The executive and legislative branches of government are fused in which type of government

What were the principal issues dividing imperialists and anti imperialists?

Which two of the following best describe the reason President Thomas Jefferson wanted the United States make the Louisiana purchase? A. to force Native Americans to relocate B. to increase the size of the United States C.

What was the response by the states to Andrew Jackson's reaction to the Supreme Court decision in favor of the Cherokee in Worchester v. Georgia? A) Some states chose to begin attacking Native American settlements.

Which document included the idea first suggested by john locke

Islamic slave traders in African slaves to blank during the period from the 900s to the 1400s