| A | B |
| First International | The International Workingmen's Association. |
| bourgeoisie | Another name for the owners of property. |
| democratic socialists | People who believe that socialism can be achieved through educations and the ballot box. |
| Karl Marx | Author of the Communist manisfesto and Das Kapital and founder of Communism. |
| Robert Owen | Utopian socialist who established cooperative communities in both Britain and the United States. |
| Socialism | System of government in which the government owns the means of production and operates them for the welfare of all the people. |
| Thomas More | English humanist during the Renaissance and writer of a book titled Utopia. |
| Proletariat | The working class. |