Answer: President Thomas Jefferson gave Meriwether Lewis detailed instructions for the expedition. While its primary mission was to explore waterways for a route to the Pacific Ocean, commerce with inhabitants of the region was a major goal.:
Explanation:
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weapons and articles used for fighting
The Battle of Wounded Knee (1890) clearly marks the closing of the American Frontier.
It was this year, 1890, when the Census Bureau declared the American Frontier closed because all the land within the United States were claimed.
The Homestead Act (1862) offered public lands to anyone who settles in the land for a minimum of 5 years. This lead to the surge of American and immigrants moving to territories that have long been occupied by the Native Americans.
The transcontinental railroad (1869) made it possible for people and goods to be transported and traded to other places.