Which businessman, who believed that the rich have a duty to improve society, set a pattern of donations to charities and worthy causes?

john d. rockefeller

charles darwin

j. pierpont morgan

andrew carnegie

Why was hawaii so important to the united states & why did japan bomb pearl harbor?

List of social classes of the shang dynasty in order ?

How did the invention of the cotton gin affect slave labor in the united states? a. there was a forced migration of slaves from the south to the north. b. slave-owning cotton planters were gradually forced to sell their plantations. c. more slaves were purchased to work on cotton plantations in the south. d. the reduced need for labor on cotton plantations led to a decline in slavery. e. slaves were moved from cotton plantations to sugar plantations.