The first great civilizations all had one thing in common: access to a river or other natural water source that allowed them to grow surplus amounts of food. select the best answer from the choices provided. t f

What makes fort sill historically unique among other regional military installations? a. it is the site where seven major commanders of us military efforts were trained. b. it houses the largest explosive weapons factory in the united states. c. it specializes in training soldiers to preserve the cultural artifacts of nations invaded by the us military. d. it is the oldest functioning installation in oklahoma.