Greek<span> states and the Persian Empire fought in the Persian War.
Your answer is the Greek States.
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The correct answer is an opportunity cost.
<em>The sacrifice involved in making one decision over another is called an opportunity cost.
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When talking about an opportunity cost, it is referred to as the benfits that exist when making a decision. It could be in business or a personal decision. When one individual makes a decision, there are other options left that can have benefits. The sacrifice involved in making one decision over another is called an opportunity cost. That is why is recommended to make a <u>cost-benefit analysis</u> to contemplate all the benefits.
