What group was established in 1874 to defend the Texas frontier?

The group established in 1874 to defend the Texas frontier was the Texas Rangers. Originally formed in the early 19th century, the Rangers were officially recognized and organized as a law enforcement agency to help protect settlers from Native American attacks and to maintain order in the region. Their reputation as a frontier militia grew, and they became known for their role in law enforcement and their involvement in various conflicts throughout Texas history.