In order to become a state what did oklahoma first have to do

For Oklahoma to become a state, there had to be agreement between the native population living there. This population had to vote in favor of accepting Oklahoma as the 46th state in the country.

Explanation:

Oklahoma was the 46th US state to join the Union, on November 16, 1907, this was after the native population of the region agreed to turn the region into a state.

Oklahoma became the 46th US state on November 16, 1907. Its name comes from the words "okla" and "humma", which in the native language of the Croctaw tribe mean "red people." Although it has small mountain ranges, most of the state is marked by the presence of large grasslands. Oklahoma has different types of habitats, a fact that allows for great biodiversity.