Answer:
"Early human migrations are the earliest migrations and expansions of archaic and modern humans across continents and are believed to have begun approximately 2 million years ago with the early expansions of hominins out of Africa of Homo erectus. This initial migration was followed by other archaic humans including H.
Climate Change Some of the biggest human migrations coincided with major changes in climate, according to a new analysis. Researchers say early humans set out in search of climates where more food was available. And some populations stayed put in certain locations because barriers like glaciers blocked their progress.
Anthropologists believe that early man used to move from one place to another because of climatic conditions. One theory suggests that early man lived in Africa and then moved out from the African continent in successive waves. ... On the banks of the rivers, early human can easily grow their food."
Step-by-step explanation:
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