There were three principles created by Chief Justice John Marshall
1: the constitutional is the supreme law of the land
2: the court has the power to rule that a law is unconstitutional
3: in the event of a conflict between laws, the constitution MUST be followed.
<span>Free blacks who left the South to escape both the persecution following the Civil War, in the 1870s, were known as Exodusters. They left at first to settle in Cherokee territory and eventually settled in Scott County, the first "colony" being Nicodemus.</span>
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Broadly speaking, a caste system is a process of placing people in occupational groups. It has pervaded several aspects of Indian society for centuries. Rooted in religion and based on a division of labor, the caste system, among other things, dictates the type of occupations a person can pursue and the social interactions that she may have.
Answer:
Irrigation is the spreading of water over crops for the purpose of farming. The way it's done can vary, but its general use is as described above. Sprinklers and aboveground canals are two examples of it.
Secondary Sources are useful because they offer a different point of view to past events. While most secondary sources are based on a primary source, they are still useful because of the analysis that they can offer compared to past stories.
