Answer:
Trans-Saharan trade requires travel across the Sahara between sub-Saharan Africa and North Africa. While existing from prehistoric times, the peak of trade extended from the 8th century until the early 17th century. The Sahara once had a very different environment
It took more than 1,000,000 men to build the Great Wall of China. They took several years. Around 2,000 years to be exact.
Answer: D
D . . . . . . . . . . .
I would say B. improve food production
Answer:
leadership
Explanation:
when leaders want to be voted for they go from one state to another campaigning
