The correct answer is D) to greet people who visit the historic area.
The MOST likely reason that the Ocmulgee National Monument has a visitors’ center to greet people who visit the historic area.
The Ocmulgee National Monument is located in Macon, Georgia, on the east bank of the Ocmulgee River. It was an important place for Southeastern Native American Indians. This historical lace includes ceremonial mounds and the main temple. This historical site has a visitors’ center to greet people who visit the historic area and where visitors can get more information about the place, as well as to offer a decent place to access other facilities for the travelers.