Answer: The Lewis and Clark Expedition began in 1804, when President Thomas Jefferson ... with exploring lands west of the Mississippi River that comprised the Louisiana Purchase. The expedition provided new geographic, ecological and social information about previously uncharted areas of North America.
<span>The Roman Catholic Counter-Reformation was intended to fight back against the Protestant Reformation: to reform and strengthen the Catholic Church against this great Protestant threat, partly by purging itself of the corruption and quesitonable practices that had given rise to the Proetstant Reformation in the first place. </span>
The accomplishment that is not mentioned on Jefferson's tombstone is that he was the third president of the United States of America.
Articles of Confederation, 1777–1781. The Articles of Confederation served as the written document that established the functions of the national government of the United States after it declared independence from Great Britain.