What are the most important causes prompting change in the existing power structure

whose power in the senate is equal to the power of the speaker of the house?

just finished this it is b. centrifugal force

the correct answer to your question is c the factory goes out of business, causing the workers to lose their jobs.

explanation:

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.