The main reason why the Ho Chi Minh Trail was important to the North Vietnamese and the NLF was because it provided for vital supply lines for the Viet Cong during the war.
They were very effective if you need reasons comment and I’ll give some
Athens is in Greece and Rome in Italy Athens culture is kinda similar to Roman culture
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Im 100% on Venezuela but the second one I can't tell if it's Peru or Mexico. Hope this helps anyways:)