USA HISTORY

Detailed explanation-1: -Hint: The Lewis and Clark Mission, also known as the Corps of Discovery Expedition, ran from August 31, 1803, to September 25, 1806, and was the first US expedition to travel the newly acquired western portion of the country following the Louisiana Purchase.

Detailed explanation-2: -The Lewis and Clark “Corps of Discovery", as it eventually came to be called, was conceived by Thomas Jefferson. He was dedicated to exploration of the vast territory west of the Mississippi River and learning about the Native Americans who resided there.

Detailed explanation-3: -The Corps of Discovery brought back invaluable geographic and scientific data, including 178 new species of plant life and 122 previously unknown species of animal life. Lewis and Clark succeeded in mapping a route beyond the Mississippi River to the West Coast.

Detailed explanation-4: -The Corps of Discovery was a specially established unit of the United States Army which formed the nucleus of the Lewis and Clark Expedition that took place between May 1804 and September 1806. The Corps was led jointly by Captain Meriwether Lewis and Second Lieutenant William Clark.

Detailed explanation-5: -On May 14, 1804 William Clark and the Corps of Discovery left Camp River Dubois, and were joined by Meriwether Lewis in St. Charles, Missouri. The party numbered over 45, and included 27 young, unmarried soldiers, a French-Indian interpreter, and Clark’s Black slave York.