Which cultural, scientific, etc. contribution(s) of the ancient Greeks (and/or Macedonians) do you consider most remarkable and why?

1- Which cultural, scientific, etc. contribution(s) of the ancient Greeks (and/or Macedonians) do you consider most remarkable and why? Your answer needs to be at least 50 words

2-In 490 BCE and 480 BCE, the Greeks successfully defeated the Persians and successfully defended their independence and way of life. Half a century later, they were defeated and conquered by the Macedonian kings, losing their independence for centuries to come. In your opinion, what factors help explain why the Greeks were successful in defeating the Persians in both Greco-Persian Wars but failed to stop the Macedonians? Your answer should include at least two factors. I would like your response to be the product of your own reflections and conclusions. However, were you to use any sources to complete this portion, you must cite them to avoid a penalty for plagiarism.
To cite your source:
For the textbook, indicate (Textbook, Chapter number, section title). For a recorded lecture, indicate (lecture on XX topic). For a website, copy and paste the link AND indicate, with quotation marks, which parts of your response were taken from this website.

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