USA HISTORY

Detailed explanation-1: -On May 14, 1804, Clark and the Corps joined Lewis in St. Charles, Missouri and headed upstream on the Missouri River in the keelboat and two smaller boats at a rate of about 15 miles per day.

Detailed explanation-2: -On May 14, 1804, Meriwether Lewis, William Clark and their group of 40 men, collectively known as the Corps of Discovery, launched their pirogues and keelboat onto the Missouri River at its mouth, some 18 miles from the young town of St. Louis.

Detailed explanation-3: -Students will learn that the United States purchased the Louisiana Territory in 1803 and President Thomas Jefferson sent Lewis and Clark to explore west of the Mississippi River in 1804-though the land was already inhabited and politically complicated.

Detailed explanation-4: -WAY OUT WEST In the spring of 1804, Lewis, Clark, and dozens of other men left St. Louis, Missouri, by boat. They traveled westward through what is now Missouri, Iowa, Nebraska, and South Dakota. In November they reached Knife River Village in present-day North Dakota.

Detailed explanation-5: -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.