<span>They built a system of bridges to cross over steeply sloped land.
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Answer:
The purpose of the 13th, 14th and 15th amendments to the United States Constitution was to establish political equality for all Americans. These amendments are collectively known as the Reconstruction Amendments. The 13th Amendment abolished slavery in the U.S. and all of its territories. The amendment was adopted on December 6, 1865.
Explanation:
