Answer:
Higher wages
Explanation: This question is attempting to explain the reasons for migration. Push and pull factors play a role in the decision of human beings to leave one place or country and migrate elsewhere.
Your textbook. It is a second hand account.
100,000 years ago during the final part of the last Ice Age, sea levels dropped revealing land corridors that the Native Americans traveled on to get to North America. (land corridors)
George Washington was the first one
