China is a mountainous country with lots of desert and has very little arable land (land that is good for farming). what challenges do you think that might have had on the development end expansion of Chinese empires?

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.