A.
Pearl Harbor attack setitoff
Answer:
clearest connection between Asia and North America, up in the Arctic, ... The idea of an Atlantic crossing has also gained some traction.
Explanation:
<span>Human societies no longer had to follow herds of animals to find enough food.</span>
<span>The Sahara's size and harsh terrain limited movement. Camels could carry huge loads up to 5000 punds and could go 20-30 miles often without water. Camels were much better suited to the desert travel than horses. This made new trade routes possible.</span>