American civilization is an interdisciplinary area of research that explores American history, society, and culture. It traditionally includes the study of history, literature, and critical theory, but also embraces analysis methods from a quality of other disciplines. The Norte Chico civilization in Peru is the oldest civilization in the Americas and one of the first six free civilizations in the world.
During the second half of the 1920s, Joseph Stalin set the stage for gaining absolute power by employing police repression against opposition elements within the Communist Party.
I believe Hammurabi have his laws engraved in stone and in public places for everyone being able to see them, know them and understand the consequences for each crime.
Neolithic people used tools and weapons made of bronze because the addition of tin to copper made it harder and stronger than copper! I hope this helped.