Compare and contrast the dominant american racial ideology (including manifest destiny) towards african americans, native americans and mexican americans within the context of american westward expansion. be sure to analyze the role of racial stereotyping and the manifestation of american government policies.

North American white racial ideologies affected their society drastically, mostly regarding the ethnical groups of the indigenous, the black, the latin americans in very negative ways.  

As colonization spread From 1500 to 1830, in North America at first many Europeans made treaties with the natives, but because of their view of superiority they often did not respect the treaties. This led to bloodshed in almost all of the situations.

North America white supremacy led to a hierarchical structure; both placed indigenous people, slave or free, at the bottom, mixed blood next and then full Europeans at the top. Altough some ethnic groups were different culturally, for example Latin American people often intermarried. In North America slaves often completely lost their original identity, while in Central America they were able to keep some cultural identity, which eventually had strong impact over Latin American culture.

The superiority of the whites was not an ideology that applied to natives only, rather it can be seen in the rapid growth of slavery. In North America the slave trade kept growing as, slaves became an integral part of industry and farming. The government never really at this centuries posed any legislature to erradicate this practices, it was until the late 1800's and early 1900's that social change was beginning to incorporate social demands from this marginated groups.

these civilizations were located around fertile rivers, where they could produce an abundance of crops