What connection does the author draw between wealth and power in rome’s democratic society

The correct answer to this open question is the following.

The connection that the author draws between wealth and power in Rome’s democratic society is the following.

We are talking about the text "Athens vs. Rome," written by Chaddie Kruger. In the text, Kruger connects the two nations in that, in Athens, they fought to defeat tyranny, meanwhile, in Rome, the Romans overthrew the King to install the Roman Republic. The author also compares the Athenian boule with the Roman Senate. Regarding the right to vote, in Rome, the citizens did not vote directly. In Athens, the members of the Athenian Assembly did vote directly.  

d.prevent the spread of communism outside of eastern europe.