Answer:
Merriweather Lewis and William Clark are most known for their expedition from the Mississippi River to the West Coast and back. It was a long and dangerous journey that they both managed to complete and survive on.
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The Sierra Nevada Mountain.
Answer:
Welfare state-a system whereby the government undertakes to protect the health and well-being of its citizens.
Explanation:
The foundations for the modern welfare state in the US were laid by the New Deal programs of President Franklin D. Roosevelt.
