How was Ancient Rome’s form of democracy different from Ancient Greece’s?

The differences between the two civilizations therefore increased as the Roman Republic grew. In Athens, all free adult men had voting rights. In Rome, active participation in politics was limited to a fairly small number of Patrician and wealthy Plebeian families, and political life became notably more corrupt towards the end of the Republic.

Explanation:

I think the correct answer from  the choices listed above is the third option. It would be the encyclopedia  the best material to use to research the historical references made in wheatley's "to his excellency, general washington". It is a book or set of books giving information on many subjects or on many aspects of one subject and typically arranged alphabetically.