The american mosaic project is designed to contribute to our understanding of what brings Americans together, what divides us, and the implications of our diversity for our political and civic life.
Hope this helps :D
Hernando Cortes destroyed their civilization.
Multiple reasons. Firstly, Britain (a world-wide power) was setting humongous taxes on imported and exported goods. (As in the 'Tea Party' the Americans rebelled by throwing the tea into the sea). The colonies were irritated by this whole control, and wanted more power and say in what taxes were put on them.
No, American manufacturers have been sourcing products and parts from around the world for decades, and today it is nearly impossible (and not to mention extremely expensive) for companies to attempt to extract themselves from the global supply chain.
Nutrient-rich soil for farming
If you remember, a lot of Okies went to California during the Depression because they had "ruined" the land to the point they couldn't use it anymore