Chemical change.
It would be a chemical change or reaction because the substance is changing its chemical makeup.
Answer:
I think it is Separation of powers.
Explanation:
The U.S Constitution is separation of powers and it divides the government. Popular sovereignty is based off, the will of the people. Democratic people have the rights just like in sovereignty.
Answer: It is A. Nationalism and socialism helped shape all three revolutions
Explanation:
THe other answers made no sense, plus this was definetly true in Russia and China.