Answer:
1. The migration leads the population of the world to spread. Also it leads people's life style to be more composite. Finally it lets other society be born. These are the humans now in days.
2. According to the Out Of Africa hypothesis, which is currently the dominant view in paleoanthropology and related fields, humans evolved on the African continent and then spread to the rest of the world via migration. From their, they evolved slightly differently, for example having slightly different facial features.
3. One of the most obvious advantages is being able to grow and harvest crops on land as a result of agriculture, rather than relying on natural landscapes to provide. Another is safety and security — you do not have to traverse potentially dangerous routes and can defend your land from your home. Finally, urban cultural centres are not possible when moving from place to place as you have to take everything with you. Permanent settlement allows advanced civilisations to develop
Explanation:
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