They where both different and both made a difference
It was "Euclid" who wrote the famous book on geometry called the elements, among many other things including a list of pamphlets that were wildly influential for the sciences and maths in Ancient Greece.
Answer:
75 million
Explanation:
20 million military personnel, 40 million civilians
I think the first one is Sierra madre and second one is Andes mountains...
Mountains affected Greek unity because they made it difficult for citizens of each Polis to travel for help or supplies from a neighboring Polis, so they had to become independent. Hope his helps.