The principle that government can only do what its people give it the authority to do is called A. separation of powers.
B. popular sovereignty.
C. limited government.
D. checks and balances.

B. Popular Sovereignty

Explanation:

Popular sovereignty is the principle that the authority of a state and its government are created and sustained by the consent of its people, through their elected representatives, who are the source of all political power

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful. 

me on my last question.