Which of the following statements most accurately explains the presence of mosques in Ghana and Mali? 1)Religions were exchanged along with goods on Trans-Saharan trade routes.

2)Muslim invaders conquered lands in Africa.

3)Construction techniques in Africa were less advanced.

4)The construction of forts was necessary to defend against invaders.

abraham lincoln

explanation:

abraham lincoln rejected the final compromise effort to stop the secession movement because it disparaged the gains made by the 1860 election.

the correct answer for the first is d

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.