Individual that influenced the U.S. Constitution

Analyzing  individual that influenced the U.S. Constitution, and one event that affected federalism. Examples that may be used for an influence on a U.S. Constitution: John Locke, Magna Carta, Mayflower Compact, Thomas Hobbes. Examples that may be used for event that affected federalism: US Constitution’s 10th Amendment, legalizing marijuana, legal drinking age, speed limits, SCOTUS.