How did the maps and journal of lewis and clark help Americans ​

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The accomplishments of the Lewis and Clark Expedition were extensive. It altered the imperial struggle for the control of North America, particularity in the Pacific Northwest. It strengthened the U.S. claim to the areas now known as the states of Oregon and Washington.

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The accomplishments of the Lewis and Clark Expedition were extensive. It altered the imperial struggle for the control of North America, particularity in the Pacific Northwest. It strengthened the U.S. claim to the areas now known as the states of Oregon and Washington.

Explanation:

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the us constitution is a living document, meaning that it can be changed over time as the country changes.

i would say that the politicial parties from state to state varies.