USA HISTORY

Detailed explanation-1: -The Lewis and Clark Expedition began in 1804, when President Thomas Jefferson tasked Meriwether Lewis with exploring the lands west of the Mississippi River that comprised the Louisiana Purchase . Lewis chose William Clark as his co-leader for the mission.

Detailed explanation-2: -On November 15, 1805, Lewis and Clark and the Corps of Volunteers for Northwestern Discovery reach the Pacific Ocean at the mouth of the Columbia River, one year, six months, and one day after leaving St. Louis, Missouri, in search of the legendary “Northwest Passage” to the sea.

Detailed explanation-3: -He chose Meriwether Lewis to lead an expedition, who in turn solicited the help of William Clark. Together they formed a diverse military Corps of Discovery that would undertake a two-year journey to the great ocean.

Detailed explanation-4: -The Lewis and Clark Expedition, led by Captain Meriwether Lewis and William Clark, was the first American overland expedition to the Pacific coast and back.

Detailed explanation-5: -May 14, 1804: One year after the United States doubled its territory with the Louisiana Purchase, the Lewis and Clark expedition leaves St. Louis, Missouri, on a mission to explore the Northwest from the Mississippi River to the Pacific Ocean.