USA HISTORY

Detailed explanation-1: -When France offered to sell the Louisiana Territory to the United States in 1803, Jefferson wanted to seize the opportunity to double the size of the nation and to provide future generations with a seemingly inexhaustible supply of new farmland.

Detailed explanation-2: -Meriwether Lewis commanded the expedition jointly with William Clark. Jefferson instructed them to seek new trade routes, to establish relations with the western tribes of American Indians, and to report on the geography, geology, astronomy, zoology, botany, and climate of the West.

Detailed explanation-3: -He hoped to establish trade with the Native American people of the West and find a water route to the Pacific.

Detailed explanation-4: -How did the Louisiana Purchase and the Lewis and Clark expedition affect the expansion of the United States? The purchase doubled the size of the country and that meant that the new land would have to be explored.