The Incas established an extremely successful society before the arrival of Europeans. This society existed for over a century and was arguably one of the greatest civilizations in the 16th century. Some of their most famous accomplishments include an expansive roadway system and a highly efficient agricultural system.
After the Civil War, the purpose of adding the 13th, 14th, and 15th amendments to the Constitution was to <span> guarantee African Americans equal treatment under the law. Hope this helps :) </span>
