The Prairie Band Potawatomi Nation is suing the Kansas Lottery for operating machines and selling lottery tickets on its reservation without its permission. The lawsuit alleges the action violates the nation's sovereignty, the 1988 Indian Gaming Regulatory Act and the nation’s own gaming ordinances. The Kansas Lottery said it couldn’t comment on the merits of the case. In Kansas, sports betting enabled total statewide commercial gaming revenue to hit a record $722.1 million last year, according to the American Gaming Association . The U.S promised the nation in 1846 that its Kansas reservation “would be their land and home forever,” according to the tribe’s news release.