New studies confirm the effectiveness of in coping with post-traumatic stress disorder.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.

citizens were able to charge more for their goods and services

answer; all of the answers are correct;

i think it should be c