Why was northern Africa isolated from the rest of the continent? A. Conflicting religious beliefs separated Muslim kingdoms in the north from the rest of Afric

B. The Zaire River was a natural barrier from the rest of the continent.

C. The Ethiopian Highlands were a natural barrier between North and South.

D. The Sahara Desert was a natural barrier from the rest of the continent.

D

Explanation:

The Sahara becomes the almost impenetrable barrier which throughout recorded history has separated the Mediterranean coast and north Africa from the rest of the continent. At much the same time north Africa becomes the site of one of the world's first great civilizations, Egypt.

president jefferson protested this interference in american trade. he sent james monroe to london to negotiate a treaty. jefferson wanted britain to stop taking sailors from american ships, and to stop interfering in the trade of neutral nations. monroe tried many times to discuss such an agreement. but the british foreign minister was always too busy to see him.

explanation:

the crusades are one of the most significant events in the history of europe and the middle east.   they were a series of religious wars carried out by christian crusaders from europe during the timeframe of the middle ages.   beginning in 1095 ce, the crusades saw european knights and noblemen travel to the middle east in an attempt to capture the holy land away from muslim people that had controlled the region for the previous centuries.   the term crusade means ‘cross’.   therefore, the europeans that became crusaders viewed themselves as ‘taking up the cross’.   in fact, many of the crusaders wore crosses on their clothing and armor as they made their pilgrimage to the holy land.

explanation: