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.

I believe is D

if is not D then it maybe A

Please let me know which one is correct

The correct answer is A) It is the site where seven major commanders of US military efforts were trained.

What makes Fort Sill historically unique among other regional military installations is that it is the site where seven major commanders of US military efforts were trained.

Fort Still is one of the premier facilities of the United States Army. It has played an important role in major US armed conflicts since it started as a cavalry post in 1869 when members of the Sixth Infantry built it. Fort SIll was home of the Field Artillery Training Center of the US Army and Air Defense Artillery.

i just need the points

explanation:

answer; i believe the two groups were irish immigrants and chinese immigrants;