Answers

2016-01-28T20:38:59+05:30
Humans originated from africa but later on they started to migrate to different places. so their is a possibility of most people migrated to asia as it is the nearest continent to africa.
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2016-01-29T16:30:37+05:30
Maybe because they started to move to different places and Asia is having a large area and seemed good to the people so maybe that's why.
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