Answer;
-West Africans were already to the Europeans diseases
Explanation;
They originally enslave American Indians, but three things put a stop to it. First, the Indians were all dying of epidemic diseases, which Africans had already been exposed to. Second, the Indians, being native, had a better knowledge of the land and its peoples, which made escape/revolt attempts more likely to be successful. Third, in response to debates about Spain and Portugal's treatment of indigenous people, the pope issued a bull in 1531 that banned the enslavement of American Indians.
As to why Africa, slavery had already existed in Africa for centuries. The Spanish and Portuguese had been exposed to it through their contact with the Moors of North Africa. So when they needed more labor in their American colonies, they simply bought slaves from one of the various kingdoms of West Africa and shipped them overseas.
Answer: the Americans and the Soviet Union want to get to the moon first.
The development of agriculture occur circa around 8000-6000 years ago. It was a time where many nomadc population begin to settle in a place, thus effectively starting the civilization as we know now. it was a huge shift for humanity and it was probably one of the most important, if not the most important achievement in human history.
It was quickly accepted as the preferred food source by people living in settlements because it could be planned and organized, thus helping people reaching a balance easily and preventing them from being dependent from the results of hunt and gathering. it was a safe and sicure way to assure food for everyone.
Have a great day hope that helps
A, because their enthusiasm makes them see something the way they want to instead of objectively, which means logically.