Answer:
Francisco Coronado was a Spanish governor in modern day Mexico who went on to explore the southwest United States. His expedition was one that was prompted by stories of myth and riches. He was looking for the fabled Seven Cities of Gold. This journey took him into new areas not yet previously explored by Europeans.
Lincoln ran on a political platform opposed to the expansion of slavery in the territories. His election served as the immediate impetus for the outbreak of the Civil War.
A: Trainloads of tourists killed buffalo purely for sport.