The two major developments that made it possible for human beings to migrate to the western hemisphere from Asia are, first, people successfully adapted to the frigid environment near the Artic circle. Second, changes in the Earths climate reconnected North America to Asia.
The human beings of the small bands of hunters in pursuit of game started to migrate to the western hemisphere from Asia because of the two major developments.
The developments were- First, human adaptability to the frigid environment near the Arctic Circle, and second, changes in the earth's climate which led to the reconnection of North America to Asia.
Hence, the two major developments which led to the migration of the people to the western hemisphere from Asia were discussed above.
To learn more about the migration here:
brainly.com/question/14800319
#SPJ4
