Mostly the reasons were economic. The country's economy was dismembered when it entered the great depression and they had to take care of that. The South used this to reinforce its values because nobody was bothering them since the great depression forced the government to move its focus on something else.
James Polk and Warren Harding were both born on November second!
1. disease brought by colonists was a major factor. Kills millions
2. violent conflicts between the colonists and/or British forces against the natives
3. The westward expansion (there's a special name for it) Colonists kept colonizing deeper and deeper into the mainland until reaching the western sea coast. killing 10's of thousands on the way there
*millions died, possible around 10 mill
After segregation black people began to have the same rights as whites, not being separated by the color of their skins. Today, they can attend the same places as white people and theoretically have the same oputurnidades, since after segregation it was decided that we are all equal regardless of color
However, the prejudice remains the same and this minority continues to be discriminated by its color. This may be noted, when it is observed that blacks are still largely the poor and criminalized population, are the minority in universities, and there are few examples of blacks as executive leaders.
They are the three sister's because they are the main crops in agriculture.
