Is there suppose to be a cartoon attach to this question?
The correct answer here is: "at large", as in "at large election" - option C.
An election "at large" refers to an election that chooses representatives to represent the whole body - rather than just a part of this body, as as a district.
The opposite is voting by electoral districts.
The answer is D because answers A, B, and C are simply spreading American culture throughout America, thats not cultural diffusion by any means.
1.C
2.D
3.B
I'm in the eighth grade, so no biggie. Let me know if you need any more help.