Explain the development from oligarchies to democracy

Oligarchy (from Greek from is a form of power structure in which power rests with a small number of people. These people may be distinguished by nobility, wealth, education, corporate, religious, political, or military control. Such states are often controlled by families who pass their influence from one generation to the next, but inheritance is not a necessary condition of oligarchy.

Explanation:

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

answer; william penn's approach made the colony diverse by attracting many types of people and religions;