The army developed the military occupational specialty system for tracking the weaponry skills in WWII.
These MOS system had various fields like communications department, gunnery and gunnery control department, field and coast artillery, air crew, security departments etc.
The selected soldiers are assigned their specific tasks and all the groups are organised by a alphanumeric code system.
The reason for why is very simple: they believed it would increase their chance of wining. This is a common practice in the US politics and why the two main parties are well the only important parties in the US today. It is because they adapt and incorporate the beliefs of minor parties that appear and they address the issues raised by the new parties.
<span />
A is the answer. Hope this helps!
The reason why Tom Robinson was unable to use his left arm is because "<span>A. It got caught in a cotton gin," although it should be noted that this wasn't actually a common problem. </span>
