Original sentence: The Delaware Tribe of Indians, who became part of the Cherokee Nation in 1867, are seeking federal recognition as a separate tribe, following in the footsteps of the Shawnee Tribe, who were historically part of the Cherokee Nation in the last century but are now once again an independent tribe.The tribe also includes Cherokee Freedman, the Eastern Delaware (Delaware Tribe of Indians), and descendants of the Natchez Nation
Edited sentence: The Delaware Tribe, who became part of the Cherokee Nation in 1867, was previously part of the Cherokee Nation but achieved independence and federal recognition on 28 July 2009.The tribe also includes Cherokee Freedman and descendants of the Natchez Nation.following in the footsteps of the Shawnee Tribe, who were historically part of the Cherokee Nation in the last century but are now once again an independent tribe