What made the Westem Roman Empire vulnerable to invasion from the Goths?
A. It was cut off from key trade routes.
B. It suffered from instability and civil war.
C. It had a large supply of grain that others wanted
D. It had many ships that other groups wanted to seize.

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.