Many of the most important political parties have been which kind of party?

the democratic and republican parties

explanation:

hello,

i'm not so sure but i hope this in anyway.

the president of russia is head of state, and of a multi-party system with executive power exercised by the government, headed by the prime minister, who is appointed by the president with the parliament's approval.

hope this : )

b) brahmans   is nomadic society