The role of judicial review in American constitutional government is so that the court systems (judicial branch) can make sure that any law passed by Congress does not interfere with the Constitution.
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The current president of the United States Of America is Barack Obama.
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Rival ethnic groups forced to live together causing conflicts and wars. Lost many resources without equal return. ... Africans were forced to work on plantations and in mines for very little money.
D. The federal government would use its powers to protect, not threaten individual liberties