The Whiskey Rebellion. You may remember that the Whiskey Rebellion occurred during Washington’s presidency when he led the US army right into Pennsylvania.
Hope I could help!
The answer to this question is 4. Industrialization caused urbanization and a population boom.
The increased migration and increased population that the United States saw during (any) era are examples of "<span>c. demographic and environmental changes," since these have to do mainly with population distribution. </span>