Why was the Fort Laramie Treaty,signed in 1851,significant to westward expansion?

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The Fort Laramie Treaty, signed in 1851, was significant to westward expansion because it allowed white emigrants to travel on the trails of Plains Indians unmolested. This helped facilitate westward migration by providing a safe passage for settlers and traders, which in turn furthered westward expansion. The treaty did not end Indian wars or remove all remaining Indians to reservations, nor did it address statehood or limit white emigration.

Why Was the Fort Laramie Treaty,signed in 1851,significant to Westward