In what way has the development of cellular phones been characteristic of the modern era? a. its has made the spread of cultures and ideas easier b. it has led to the start of the scientific revolution c. it has prevented citizens from challenging their governments d. it has promoted european colonialism and imperialism

How do you think entrepreneurs contribute or industry in america? describe your answer

Which one of the following statements best characterizes change to agriculture in the united states since 1900

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.