What deadly disease is thought to have traveled to europe along the silk road?

a) which ethnic groups live in this community?

i just took test

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; sociological imagination;

answer; group behavior;