Select all the correct answers. Which two requirements needed to be met before Oklahoma joined the United States?
O Oklahoma Territory and Indian Territory would have to join as one state.
O A state constitution had to be written meeting certain requirements.
O Arizona and New Mexico would also have to join the United States at the same time.
O Oklahoma would have to give up its right to have senators for two decades.
O Oklahoma would have to ban the use of statewide initiatives.