According to the statement above "As one of the most constructive pieces of military legislation ever adopted in the United States, the national defense act of 1920 rejected the theory of an expansible Regular Army and in its place established the Army or the United States, which was to be composed of all the following components except:
a. the standing regular army
b. national gaurd
c. total number of ROTC battalions
d. the organized reserves."
The answer is C.