How did the victory by the Athenians over the Persians at the Battle of Marathon affect their relationships with other citystates?

Answer 1

It increased Athenian prestige and demonstrated to the the Greek city-states that Persian domination could be successfully resisted. Apart from that, the city-states maintained their usual caotious stance with each other including with Athens.

Answer 2

It gave Athenians great prestige.

Some city-states became wary of Athenian power and intentions. Others were happy to her as an ally.

Persia concentrated on buying over (northern) city-states to its side to erode those which were hostile to its increasing influence.

Athens was able to influence the strategy of the other cesisting city-states in repelling the Persian attempt to take over Greece ten years later.

Answer 3

The were able to influence them to prepare for a subsequent full Persian invasion and band together to resist it in the knowledge that they could be beaten.

Answer 4

It brought a full scale Persian invasion ten years later.

Answer 5

It brought on a full-scale Persian invasion ten years later, but taught them that their armoured infantry, if protected from the Persian cavalry, could defeat the Persian infantry.