Answer:
The U.S. claim was based on the explorations of Lewis and Clark and on the establishment of trading posts set up by John Jacob Astor's Pacific Fur Company, such as Astoria at the mouth of the Columbia River. Great Britain based its claim, in part, on James Cook's exploration of the Columbia River.
Explanation:
The answer is C. Hope this helps! (:
Answer:
In the Treaty of Paris, the British Crown formally recognized American independence and ceded most of its territory east of the Mississippi River to the United States, doubling the size of the new nation and paving the way for westward expansion
Explanation:
William Henry Harrison was a whig, and ran for numerous political positions throughout his career. The loyalists were some of his worst political foes.
