Which of the following principles was included in most state constitutions?

a. separation of powers
b. judicial review
c. parliamentary structure
d. popular sovereighnty

I believe the answer is: D. Popular Sovereignty

Popular sovereignty refers the principle of government which ruled by the will from the majority of the people.

In democratic country such as united states (and most of the countries in western hemisphere) , this would be included in most state constitutions.

well since twins have about the same dna they dont have one think in common which is the figer print. nobodys fingerprint is the same. if your using twin you would most likely get around the same results for both of them because of the genetics.. i hope this

c. reserves power to the states and people