What effect did the practice of Rockefeller describes have on competition in his industry? Why? please i need help

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. second continental congress

missouri compromise of 1820 which prohibited slavery