After its introduction, congressional leaders usually refer a proposed bill to ?

answer; (d) none of the above;

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.

answer; action;

answer: corporations and the wealthy cannot donate an excessive amount. (c)