Who was George Washington

First president of the U.S

Explanation:

George Washington (1732-99) was commander in chief of the Continental Army during the American Revolutionary War (1775-83) and served two terms as the first U.S. president, from 1789 to 1797. ... During the American Revolution, he led the colonial forces to victory over the British and became a national hero.George Washington is often called the “Father of His (or Our) Country.” He not only served as the first president of the United States, but he also commanded the Continental Army during the American Revolution (1775–83) and presided over the convention that drafted the U.S. Constitution.

Explanation:

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers