One of the most controversial factors of American history is that the vast nation that we have today was paid in the price of blood and tears. Entire civilizations of Native Americans were torn down to expand the American nation. We have acknowledged that the Natives were treated as badly as the slaves, yet we have done nothing in return. We have given them small pieces of their own land to work and live on. We have taken so much, why do we need to take more? History repeats itself as always. Greed conquers all.