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.
Social Darwinism as a worldview. Spencer is most (in)famous for applying the concept of survival of the fittest to human societyâthe strongest and fittest should flourish in society, while the weak and unfit should be allowed to die.