Answer:
Racism leads to the belief that one race is better or of "higher-standard" than another. The race that is "master" would then, obviously, be able to subject other races, including making them slaves (people who work for them without pay). Because of racism, they believe that lower-class races would need to be obligated to serve higher-class races, or Aryans.
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Answer:
immigrants and African Americans
The limitations would be how much evidence was available and the truthfulness of the witnesses. The Code dealt with violations of the law. The law specified punishments based on who you were...slave or master, etc..
The act of 1776- (pouring the tea in the sea I believe)