<span>The main cause of the mexican revolution was
</span><span>b. growing pressure from the united states for a democratic form of government.
</span>
Choice A is wrong because only 26 presidents have served in the military.
Choice B is wrong because not all presidents have been governors.
Choice D is wrong since James Buchanan and Grover Cleveland were not married.
Therefore, Choice C is the correct answer.
Answer:
Native peoples of America had no immunity to the diseases that European explorers and colonists brought with them. Diseases such as smallpox, influenza, measles, and even chicken pox proved deadly to American Indians. Europeans were used to these diseases, but Indian people had no resistance to them.
Explanation:
Is belief that the legitimacy of the state is created by the will or consent of its people
Couldn’t upoload it here but here’s the image!