The answer is Fight to defend the polis.
What do you mean by 16 and 17????????
Answer:
Because there was an argument on which was better, Capitalist and Communist. This problem lead into the Cold War.
Explanation:
Well when scientists wish to learn something, they use the scientific method. The first step is to observe something/could be a problem. Then ask a question about it. Form a hypothesis, or a possible answer to that question. These are the first steps.
Further steps include setting up an experiment and results, etc, but I think you know the rest! Hope this helps!