| A | B |
| natural rights | Rights that belong to all humans from birth. |
| laisez faire | Policy in which business is allowed to operate with little or no government interference. |
| free market | The natural force of supply and demand. |
| physiocrat | Enlightened thinker who focused on economic reform |
| natural laws | Laws that govern human nature. |
| social contract | An agreement by which people give up the state of nature in favor of organized society. |
| philosophe | Enlightenment thinker who applied the method of science to improve society. "Lovers of wisdom" |
| Wrote THE WEALTH OF NATIONS, argued that the free market should be allowed to regulate business. | Adam Smith |
| Developed vaccine against smallpox. | Edward Jenner |
| Wrote THE SPIRIT OF THE LAWS, introduced ideas of separation of powers and checks and balance. | Baron de Montesquieu |
| Edited ENCYCLOPEDIA, in which he sought to change thinking on religion, philosophy, and government. | Denis Diderot |
| Wrote LEVIATHAN, presented the concept of the social contract. | Thomas Hobbes |
| Presented the idea that people have natural rights and government has an obligation to those it governs. | John Locke |
| Wrote THE VINDICATION FOR THE RIGHTS OF WOMEN,called for equal education for girls. | Mary Wollstoncraft |
| Wrote THE SOCIAL CONTRACT, advocated the will of the majority and the common good. | Jean-Jacque Rousseau |
| Built the framework for modern chemistry with Lavoisier. | Joseph Priestley |
| Attacked corrupt government, inequality, and the slave trade; supported freedom of speech. | Voltaire |
| The most famous philosopher Francois-Marie Arouet took this pen name. | Voltaire |
| Who said, "I do not agree with a word that you say, but I will defend to the death your right to say it." | Voltaire |
| Who said, "In order to have liberty, it is necessary that government be set up so that one man need not be afraid of another." | Baron de Montesquieu |