B is the only one that sounds like it's not in the right question. Unless you know for sure it's not B, that's my suggestion.
Answer:
After a protracted struggle for independence, New Spain became the sovereign nation of Mexico, with the signing of the Treaty of Córdoba.
<span>Millions of Indians were killed due to illnesses and diseases of the Spanish.</span>
Answer:C
Explanation:because it is I can’t explain it
Both tried to limit power and gave people certain rights.