The Marshall Court is one of the, if not the most, important courts of American history. The most famous case of his court was Marbury v. Madison which stated ultimately that the court could review any executive or legislative bills or appointments for constitutionality. This case solidifies the Court's place in the three branches and clears the confusion regarding the Court's place and purpose. Judicial review is the most important job of the Court and has been the major purpose since. He also led the Court in decisions regarding interstate trade, transportation, banking, and federal law trumping state laws.
Caddoan
The Caddoan people were speakers of one of the many Caddoan languages. The Caddoan languages once had a broad geographic distribution, but many are now extinct. The modern languages in the Caddoan family include Caddo and Pawnee, now spoken mainly by elderly people.
Industrialization and/or Urbanization. We now have technology fields, and higher paying job fields, that seem more interesting or grabs the younger generations attention.
Your answer is going to be Samuel Tilden. This election was one of the most disputed elections in history. Samuel J. Tilden outpolled Rutherford B. Hayes in the popular vote, and had 184 electoral votes to Hayes' 165, with 20 votes uncounted