What did the early Greeks learn from the Dorians?

The Dorians swept away the last of the declining Mycenaean and Minoan civilizations of southern Greece and plunged the region into a dark age out of which the Greek city-states began to emerge almost three centuries later. ... The Dorian peoples had a seminal influence on the later development of Greek art.

Explanation:

the authority to tax.

just like you man, i personally think its either c or d

explanation:

but good luck with the test man