What ideas arose in ancient greece that contributed to the development of democratic values in the modern world

There were several ideas that arose in ancient Greece that contributed to the development of democratic values in the modern world. Firstly in ancient Greece the people in the government were represented from the people of the nation. So representational government started from ancient Greece. Also the concept that one man can give only one vote in an election had started in ancient Greece. This is a fundamental clause of the modern day democratic system. The system of discussion and then voting on the issues were an integral part of ancient greece. This is also adopted by the modern day democratic system.