15 sept. 1988 - Bill is passed in the Senate

Description:

The bill was passed by the Permanent Select Committee on Indian Affairs. After that, the bill was passed in the Senate with a Voice Vote, so exact numbers on those who voted for or against the bill, as well as political parties are not available.

https://www.culturalsurvival.org/publications/cultural-survival-quarterly/sovereignty-and-indian-gaming-united-states

In this article, some controversy is discussed, where neither the states or the Native American tribes can dictate each other because each has their own sovereignty, so instead they have came up with a strategy of shared sovereignty to work together that is controversial.