What can a candidate gain by personally visiting a state?

Trust from whomever that candidate works for  

Explanation:

answer; i believe the best and correct answer is stronger bonds between the nations of africa;

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.