Answer:
Pros: it allows for interest group who represent a small group of people to have a say in legislation with enough funds.
It allows politicians become aware of certain issues with small groups of people within their region which they represent.
It can be free to participate for the individual in an interest group, or a small yearly fee.
Cons: Based on the needs of the minority party, since the majority does not need more votes to pass legislation, they technically do not need lobbyists.
It can only be effective for specific groups, lobbying costs money, the more resources the more lobbying power you have.
Lobbying is considered nearly borderline illegal by most, since sometimes interest groups make donations to a politicians campaign
Medici was a known prominent of great wealth and abundance between 13th to 15th century in Italy, and even in the whole Europe during Renaissance. Giovanni Medici's son Cosimo Medici, governed Italy for 3 decades importing more riches to the family. The political writings of Niccolo Machiavelli "Machiavellianism" contributed to their wealth.
There are 538 total electors
An important scientist at the time, besides, those who were mentioned was Copernicus - A.
Spartacus was just a slave general in the Roman republic.
Rousseau was a philosopher.
Plato was a philosopher as well.
The correct answer for that reason is Copernicus, he was an astronomer and a major figure at the time.