When did the US defeat the confederacy of native ameicans?

The U.S. government effectively defeated the Confederacy of Native Americans during the late 19th century, culminating in the Indian Wars. Significant conflicts, such as the Battle of Little Bighorn in 1876 and the Wounded Knee Massacre in 1890, marked the decline of Native American resistance. By the end of the 19th century, most Native American tribes had been forcibly relocated to reservations, leading to the assertion of U.S. control over their lands.