Caral was the largest of some twenty-five urban centers that emerged in the area at ... and unlike Egypt or Mesopotamia, civilization did not rest on grain-based farming, ... is also sometimes referred to as the Harappan Civilization of the Indus Valley, in ... of maize from the Mesoamerican origin into North and South America.
Aimed to overcome legal barriers at the state and local levels that prevented African Americans from exercising their right to vote<span> as guaranteed under the 15th Amendment to the U.S. Constitution.
