Before the civil rights laws were passed in the United States in the 1960s, a number of states had Jim Crow laws that spelled out differential treatment for racial groups.
<u>Explanation:
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The Jim Crow laws were named after a caste system that was prevalent in the southern United States.
These laws favored segregation and were implemented in almost all the southern states.
It was only after the passage of civil rights in 1965 that these laws were abolished.
change in the frequency of alleles within a gene pool from one generation to the next. When changes is noticeable as the production increases, it is called Evolution.
