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:
Answer: C.) They violently refused to honor removal treaties.
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<span>According to Thomas Gage's spies, in which town had the minutemen been collecting a large amount of arms?</span>
