Why do Americans emigrate overseas?

Authentic Americans are native Indians, and blacks account for the largest proportion of Europeans in the United States. It is often said that black and white Americans have no status in their own country and are often bullied and enslaved, but now they are fine. At least they were led by the migration of black Americans from the last century to the last century. Elites from all walks of life all over the world have gone to the United States to develop, and the United States has become a gold digger and the most developed and powerful country in the world.