Answer:
The ghost dancers gradually concentrated in the United States during the late 19th century, specifically among Native American tribes in the Great Plains region. The movement originated among the Lakota Sioux and spread to other tribes such as the Cheyenne, Arapaho, and Apache.
The ghost dance movement was a religious revitalization movement that emerged as a response to the cultural disruption and hardships faced by Native Americans due to the expansion of white settlers and the reservation system. It was believed that by performing the ghost dance, Native Americans could restore their traditional way of life and bring about the return of deceased ancestors, the revitalization of the land, and the removal of white settlers.
As the movement gained momentum, gatherings and ceremonies took place in various locations across the Great Plains, such as the Pine Ridge Reservation in South Dakota and the Standing Rock Indian Reservation in North Dakota. These gatherings served as spaces for spiritual and cultural rejuvenation, as well as platforms for expressing Native American resistance against the oppression they faced.
It's important to note that the ghost dance movement was met with hostility and fear from the U.S. government and settlers, who viewed it as a threat to their control and dominance. This eventually led to the tragic Wounded Knee Massacre in 1890, where the U.S. military violently suppressed a group of ghost dancers, resulting in the deaths of hundreds of Native Americans.
In summary, the ghost dancers gradually concentrated among Native American tribes in the Great Plains region of the United States during the late 19th century. Their gatherings and ceremonies were a response to cultural disruption and aimed to restore traditional ways of life.