Who was John C. Calhoun and what was his significance?

He was a prominent U.S. statesman and spokesman for the slave-plantation system of the antebellum South. As a young congressman from South Carolina, he helped steer the United States into war with Great Britain and established the Second Bank of the United States. ur welcome!

Explanation:

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.

the tallest building in the western hemisphere and the sixth tallest building in the world