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  is a derogatory term associated with the 19th century Malthusian theory developed by Whig philosopher Herbert Spencer. It is associated with evolutionary theory but now widely regarded as unwarranted.