The ancient Maya civilization was formed by members of this group, and today's Maya are generally descended from people who lived within that historical civilization. Today they inhabit southern Mexico, Guatemala, Belize, El Salvador and Honduras.
Well the main difference was that the South was using slaves while the north were already using machines and the north never used slaves
No, the Colombian exchange brought new food to the Americas such as cattle, pigs, and wheat (in exchange for foods such as tomatoes, squash, and beans).
The correct answer is - pull factors.
The increased freedom and much more employment opportunities in the United States can be considered as pull factors. They can be considered as pull factors because they are big reasons why people from all around the world got attracted to the idea of migrating to the United States, as they saw a nice chance to prosper and have a better life. Most of the countries were still struggling with the freedom issues, and the employment opportunities were either very limited, or badly payed, so no wonder that pople wanted to move in the United States.