Bill of Rights First Amendment [Religion, Speech, Press, Assembly, Petition (1791)] (see explanation) Second Amendment [Right to Bear Arms (1791)] (see explanation) Third Amendment [Quartering of Troops (1791)] (see explanation) Fourth Amendment [Search and Seizure (1791)] (see explanation)
Social Darwinism, the theory that persons, groups, and races are subject to the same laws of natural selection as Charles Darwin had perceived in plants and animals in nature.
The concept of social contract theory is that in the beginning man lived in the state of nature. They had no government and there was no law to regulate them. There were hardships and oppression on the sections of the society.