The machine gun was decisive in securing victories for the Allies in WW1, if that's the time period this is focused on.
Answer: They claimed Mexico and conquered the Aztec empire!
The same way the Mongols conquering China did, the Macedonians assimilated much of their culture into that of Athenian , Philips son Alexander helped further Greek influence through his conquests, creating cities like Alexandria and turning much of the eastern Mediterranean into a bastion of the "western" world at the time. Not to mention Alexander was educated by Greek Philosipher Aristotle.