But if racial hierarchy is not a natural law, why was it that European whites exploited African blacks, rather than the other way around?

Between 1790 and 1962 the United States' politics had utilized a racial hierarchy to determine citizenship.

Despite that most of these regulations have been dismissed, racial hierarchy in association with political and social power continues today.

The story drew on ideas of racial hierarchy, stating that:

By the early-19th century these ideas were attached to emerging theories of racial hierarchy.

Burnouf's work takes for granted a racial hierarchy that places Aryans at the top as a master race.

In the America of the 1940s there was a strict racial hierarchy which was considered quite legitimate.

By the early-19th century white supremacy was attached to emerging theories of racial hierarchy.

Stark lines of racial hierarchy can be seen in virtually every index of well-being and power.

However, the Japanese were particularly harsh with the Chinese, who were at the bottom of their racial hierarchy.