Why did the colonists want to make sure the federal government did not become too powerful? (write your answer in a complete sentence)

The colonists wanted to make sure the federal government did not become too powerful because there would be a chance they would abuse their power.  The colonists had just gotten away from too much power to the federal government, and did not want a repeat of what had just happened.  

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