When did lewis and clark start their expedition

May 14, 1804

Explanation:

The Lewis and Clark Expedition ran from May 14, 1804 to September 23, 1806 as the search for the Northwest Passage. The began in St. Louis, Missouri and ended at the Pacific Ocean (in what is now Oregon).

d: social contract theory

tenochtitlan (also spelled tenochtitlán), located on an island near the western shore of lake texcoco in central mexico, was the capital city and religious centre of the aztec civilization. the traditional founding date of the city was 1345 ce and it remained the most important aztec centre until its destruction at the hands of the conquering spanish led by hernán cortés in 1521 ce, which led to the final collapse of the aztec empire.