What was the shared concern of Democrats and Republicans over Oklahoma statehood

A: increased numbers of non voting representatives in Congress

B: the possibility of native American voters

C: diminished power of their own political party

D: presidential disapproval and overhaul

A. Increased numbers of non voting representatives in Congress

In 1800 Oklahoma had a large Native American population, they started demanding government representation. Later Congress established the Oklahoma and Indian Territories, and provited a non-voting delegate to the house.