QUESTION 38 In the early 20th century, drug laws were actively enforced in an effort to control immigrant workers, especially the Chinese, who were being exploited by the railroads
and other industries. This example supports the perspective of
O a Social conflict theory
b. Postmodern theory
OC Structural functionalism
Od Symbolic interactionism

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.

because the early people found out about it.

answer; no longer than a reasonable period of time;