According to Washington, to stop a rebellion, you need a strong armed force to crush it. During his time, the US is just untied. Many Americans doesn't trust the government. To show power and authority, Washington believes that when a rebellion is formed, you need to force it to stop. The federal government is the power to check these rebellions. If the government don't, who would protect the citizens and their human rights?
The answer would be C. the movement of plants, animals, people, and diseases between the old world and the new world.
Hope this helped!
~Just a girl in love with Shawn Mendes
The reason they went to war is when the Athens interfered in Persian affairs.