At statehood, which group was not permitted to vote by the Oklahoma Constitution?

The correct answer is that at statehood, women was the group not permitted to vote by the Oklahoma Constitution.

Explanation:

The Oklahoma Enabling Act of 1890 was the document that contemplated admitting Oklahoma and the Indian Territories as a single state. Citizens of the US and members of tribes that had been resident in the territories for at least six months were allowed to vote in the referendum.

However, it was not until 1917 that women achieved the right to vote in Oklahoma, two years after the ratification of the 19th Amendment. This means that when Oklahoma became a state it ratified a constitution that recognized women's right to vote.

THe African American were not allowed