Answer: The ‘Clash’ At Marathon Shaped Greece, And The West Military historian Jim Lacey says the battle of Marathon, where the vastly outnumbered Greeks defeated the Persian army, had a profound impact on Western civilization, and opened an East-West political and cultural divide that shaped the ancient and modern worlds.
Explanation:Despite the death of their commander, the Greeks had won a stunning victory for very minor losses. Marathon did not end the wars against Persia, but was the first turning point in establishing the success of the Greek, and specifically Athenian way, which would eventually give rise to all western culture as we know it. I think this the answer not too sure but i thought i'd give it a try:)