What effect did the conflict between athens and sparta have on ancient greek civilization?
a)it made the greeks vulnerable to conquest by troy.
b)it strengthened democratic rule within athens and other city-states.
c)it led to a tenuous alliance between some greeks and ancient rome.
d) it caused further fractures among the greek city-states.

Option D.

Explanation:

It caused further fractures among the Greek city-states, is the right answer.

Athens and Sparta were the two ancient Greek city-states. They played the most important role to shape the future of Greek culture. On the one hand, it is believed that the Spartans were warriors while the Athenians were less involved in defense. It was due to the efforts of Sparta that Greek became a mighty culture during the time. However, when the city-states of culture came in a direct conflict it causes a big heat to the existing condition of culture. Accordingly, the wars between Athens and Sparta caused further fractures among the Greek city-states

whose power in the senate is equal to the power of the speaker of the house?

i see, would you mind putting it as one?