What is considered a key contribution of Mesopotamian civilization? the invention of the wheel

the establishment of a monotheistic religion

the cultivation of corn

the development of a phonetic alphabet

i believe that the answer to the question provided above is that  establishing smaller ethnic communities within larger communities  gives more chance for people to know each other more but this might lead to the  conflict between groups.

the three answers (for plato at least) are:

b-condemned sola fida 

d-set rules for establishing seminaries and for educating clerics in the seminaries 

f-recommended moderation in the sale of indulgences and banned the sale of false indulgences 

puritans hope this

first second and third

explanation: