Answer:
Every major Civil War battle east of the Mississippi River took place within twenty miles of a rail line. Railroads provided fresh supplies of arms, men, equipment, horses, and medical supplies on a direct route to where armies were camped.
Answer:
Islam was first introduced into West Africa south of the Sahara across the salt and gold trade routes. By the twelfth century C.E., many Berber traders had been converted to Islam.
Explanation:
Native Americans renewed contacts with fur traders in Canada and British Agents