Question

What is a similarity between Ancient Greece and the United States in their system of government

A= broad plains help unite Ancient Greece

B= rugged mountains encouraged the rise of independent city-states

C= navigable rivers made the ancient Greeks successful

D= numerous ports served as a barrier to political unity

PLEASE HELP NO FAKE ANSWER PLSS

Answer 1

D.) numerous ports served as a barrier to political unity

Step-by-step explanation:

I think sorry but I'm not sure