1. In ancient Greece, there was a cult of the body and the desire for competition – this guaranteed a strong army.
2. Slavery and the war of the nobility and demos (people) sharpened the sense of freedom and patriotism, democracy is developing, which helps to raise the fighting spirit, they wanted to overthrow slavery and become free.
3. Development of democracy, striving for freedom, patriotism allowed the polis to unite against the Persians, which led them to victory, which they perceived as a long-awaited victory over slavery and the acquisition of freedom.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.