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Dred Scott decision, formally Dred Scott v. John F.A. Sandford, legal case in which the U.S. Supreme Court on March 6, 1857, ruled (7–2) that a slave (Dred Scott) who had resided in a free state and territory (where slavery was prohibited) was not thereby entitled to his freedom; that African Americans were not and could never be citizens of the United States; and that the Missouri Compromise (1820), which had declared free all territories west of Missouri and north of latitude 36°30′, was unconstitutional. The decision added fuel to the sectional controversy and pushed the country closer to civil war.
Answer:
a. Constitutional Law, Statutory Law, Ordinances, Regulations, Treaties, and Case Law.
Explanation:
Laws in the United States can usually be expected to fall into one of the following categories: constitutional law, statutory law, ordinances, regulations, treaties, and case law. Constitutional law is the law that regulates the operations of the state, and that which is contained in a Constitution. Statutory law refers to a law that is passed by a legislative body. Ordinances usually refer to laws passed by a municipal government. Regulations are rules and administrative codes issued by governmental agencies at all levels. Treaties are international agreements formed between two states. Finally, case law refers to the published legal decisions of the courts.
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Work Done = Force x Distance (Using Work Done to say that he does work)
Force = mass x acceleration
Everytime he starts walking (he accelerates from 0 ) so he exerts a force to carry his weight, and multiplied by distance = Work done to purely move around.
If he lifts something or pushes something, he also does work (using the same theory)
