Answer:
Marketplace competition drove producers to innovate and improve products.
The idea is known as the Republican form. The idea is that people democratically elect those who would represent them in a government, and those people would be held accountable for what they've done if they do something opposite to the will of the people. It's the only way that a democracy can work properly because others would be impossible with that many people.
Advanced: Countries came a long way from the beginning of time
