USA HISTORY

Detailed explanation-1: -After the Louisiana Purchase Treaty was made, Jefferson initiated an exploration of the newly purchased land and the territory beyond the “great rock mountains” in the West. He chose Meriwether Lewis to lead an expedition, who in turn solicited the help of William Clark.

Detailed explanation-2: -In 1804, President Thomas Jefferson sent Meriwether Lewis and William Clark on the now-legendary transcontinental expedition to explore the American West.

Detailed explanation-3: -Lewis and Clark Expedition (1804–06) was a U.S. military expedition, led by Captain Meriwether Lewis and Lieutenant William Clark, to explore the Louisiana Purchase and the Pacific Northwest.