What role did greek and roman tradirions play in the development of the united states

The concept of the Western world has its roots in Greco-Roman civilization in Europe, the advent of Christianity, and the Great Schism in the 11th Century which divided the religion into Eastern and Western halves. In the modern era, ...

I never went greek or roman but I know roman attitude. Any country develop by elders politics and plan, US develop by countrymen hardwork and sacrifices.