Do you know these last 3 questions I need help

What are the three ways that a republican state chairman can become a member of his party's national committee?

Which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nation’s oil refineries. standard oil was a single business that operated in a small region. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states.

Which of the following groups were allies against the pequot indians during the pequot war?