Answer:
A. Explore the area covered by the Louisiana Purchase
Explanation:
The goals of the Corps of Discovery, whose cadre would be raised primarily from the U.S. military, was to explore the Louisiana Purchase, and establish trade and U.S. sovereignty over the native peoples along the Missouri River.
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A primary source of anything is a first hand account be it a diary, eye witness account, the person must have experienced it themselves while a secondary the information could have been passed on for example a news paper or memoir on someones life.
It was dedicated to the city's patron deity Athena.
Many southern states preferred sectionalism rather than Nationalism.
