Was an early anthropologist who sought to organize vast quantities of data about the diversity of world cultures that were being accumulated through colonial and missionary enterprises.
a. lewis henry morgan
b. franz boas
c. bronislaw malinowski
d. margaret mead

a. Lewis Henry Morgan

Explanation:

Lewis Henry Morgan was one of the founders of modern anthropology he traversed vast distances to study kinship systems in America. He focused mainly on the Native Americans which were the indigenous settlers of the land.

He believed in documenting his experiences first hand. This led to the method of study called ethnography.

Hence, the question here is referring to Lewis Henry Morgan.

a: social security and social programs

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.