What happened after the death of mansa musa? a. the mali empire began to decline. b. the trade networks of africa fell apart. c. the mali empire engaged in the gold trade. d. the ghana empire came to power.

Which options most accurately assess the impact of transportation improvements (e.g., railroads, canals, steamboats, transcontinental railroad) on the settlement of the west? ***(select all that apply.)*** a. they led to an increase in population density. b. they made it easier to travel long distances. c. they in establishing towns. d. they led to the development of the fur trade. e. they allowed for international travel.