Siberia is known to have the most accessible oil reserves.
John C. Calhoun suggested his idea of nullification as a substitute for potential secession in the 1820s. The correct answer is option(c).
John Caldwell Calhoun was an American statesperson and governmental deep thinker from South Carolina he grasped many main positions containing being the seventh sin chief executive of the United States from 1825 to 1832. A resolute champion of the organization of labor, and a slave-landowner himself, Calhoun was the Senate's most famous states' rights advocate, and his welcome opinion of nullification avowed that individual states had a right to refuse allied procedures that they considered illegal.
The tax was so disliked in the South that it create dangers of withdrawal. John C. Calhoun, Andrew Jackson's sin leader and a native of South Carolina, projected the belief of nullification, that asserted the levy unconstitutional and then meaningless.
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The city's wealth and stature is evident in artifacts such as ivory, lapis, carnelian, and gold beads, as well as the baked-brick city structures themselves.
Harappan and Mohenjodaro were recognized as well-planned towns because their roadways were built out in a grid layout, connecting at right angles. The towns of the Indus Valley Civilisation possessed an excellent drainage system. The street drain was connected to every dwelling
