Answer:
September 17, 1787
Explanation:
On September 17, 1787, 39 of the 55 delegates signed the new document, with many of those who refused to sign objecting to the lack of a bill of rights. At least one delegate refused to sign because the Constitution codified and protected slavery and the slave trade.
The society or from their people aka. popular sovereignty.
How it affected the 20th century :
It influenced the way that people think about such important social issues as race, gender, and class. It played an important role in the political process, particularly in shaping national election campaigns. TV programs and commercials have also been mentioned as major factors contributing to increased American materialism (a view that places more value on acquiring material possessions than on developing in other ways). Finally, television helped to spread American culture around the world.
3. the constitution, 1789
John D. Rockefeller went into business when he was 20, and he picked up his first oil well as a sideline. He soon saw that that was the right horse to ride. Even before automobiles and airplanes laid their heavy claim on oil, it'd begun replacing coal in the power industries.
Andrew Carnegie makes the better hero. He, after all, was part and parcel of the emerging technologies that made our country. And his giving sprang from some deep-seated core of principle. Yet the Rockefeller clan assumed the mantle of public service. They've become political leaders and professional givers -- one died doing anthropological research in New Guinea.