What are three obligations that the constitution places on the national government for the benefit of the states?

Three obligations the Constitution places on the National Government for the benefit of the states are

1. Each state will have a republican form of govt

2. Protection against invasion and domestic violence

3. Must respect the Territorial boundaries of each state.

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.