<span>The Hellenistic (Greek) mathematician who invented the compound pulley and is known for his work with the laws governing simple machines was C. Archimedes.</span>
Answer:
Dred Scott
Explanation:
Dred Scott v. Sandford case of 1857 :)
<span>Both documents concerned the rights of states to hold that a federal act was unconstitutional and to refuse to apply it. Calhoun's doctrine concerned the Tariff of Abominations and how SC would secede if it was not repealed. The Kentucky and Virginia Resolves concerned the Alien and Sedition Acts.</span>
Answer:
D
Explanation:
The caste system affects indians both socially and economically because (socially) you cannot interact with others outside your class/ marry outside your class and (economically) since which caste you are in determines your career options
The name for a geographically wide ranging group of peoples and states ruled by a single government is empire. The correct option among all the options that are given in the question is the second option or option "B". An empire can cover a huge amount of area consisting of several states or countries.