Answer:
I believe it's A.
Explanation:
C doesn't make any sense. The sentence is clear in reading.
Answer:"chemicals"
-and-
"disease"
-and-
"obesity"
Explanation:Negative connotation refers to a bad feeling that we experience when we hear a certain word or phrase .
Provided that this writer wants people to actual dislike and dissociate themselves from conventional grown foods these words adds to that as they will give people a bad feeling about such foods.
U.S. Victory - Vietnam
Soviet/communist victory - Cuba
Religious extremism (isis, middle eastern area)
Being racist towards people doing the jobs that no one else wants to do(racist towards Mexicans, although they are doing the jobs no one else wants to do)