What’s the correct answer for this question?

The public space for government speech in ancient athens was called

How are the republican and democratic presidential candidates chosen? a. they are nominated by their state governments. b. each is nominated by his or her respective party. c. each is chosen by the governor of his or her home state. d. they are chosen by the house of representatives.

The car market is an example of because it has few sellers who offer differentiated products. a.oligopoly b.monopoly c.monopolistic competition