What is one tool explorers used to keep track of where they were going

One of the first ways explorers located north was to use a lodestone, a magnetic rock suspended on a string or poised on a piece of wood. Sometimes needles were magnetized by a lodestone and hung on a string to indicate true north. Eventually, the Venetians devised a compass that indicated the four directional points and used a magnetized needle.

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won re-nomination with no opposition he also had the support of his party

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it saw incumbent president andrew jackson, candidate of the democratic party, defeat henry clay, candidate of the national republican party. jackson won re-nomination with no opposition, and the 1832 democratic national convention replaced vice president john c. calhoun with martin van buren.