Answer:
D. Guidelines for how many people are needed for an area to become a state.
Explanation:
1. 50 degrees
2. 130 degrees
3. I think B to A is 100
All of them except trump F trump
Answer:
I think it is D.Factories
Explanation
Around this time the economy in the US became very industrial because of the fall of agriculture since a lot of farmers moved north to work in factories