I believe the answer is: Elections
In democratic countries, elections determine which representatives obtained the support of the people and which are not. through election, citizens could identify the representatives that advocated for similar value and principles as us and appoint them as the extension of our involvement during the legislation process.
The population of Europe was growing again, after the ravage of the Black Death, and with the concentration of money derived from the reduction of the population, they were becoming more ambitious with explorations and ventures into the Atlantic sea. Sugar was also an important part, as it was a valuable good in the European market.
Haiti, Mexico, Argentina, and Colombia all gained their independence in the early 1800’s. (there are more like Venezuela, Panama, etc.)
Answer:
The ancient Greeks contributed far more than three things to European culture, but arguably the three most important are literature, architecture, and medicine