| A | B |
| concentration camps | prisons where civilians, political prisoners, and sometimes prisoners of war are held, typically under harsh conditions |
| confederation | group of confederates, especially of states or nations, united for a common purpose |
| conquistador | conqueror, especially one of the 16th century Spanish soldiers who defeated the Indian civilizations of Mexico, Central America, and Peru |
| constitution | document stating basic laws to govern a country |
| constitutional monarchy | form of government in which the king or queen is limited by a constitution |
| convento | convent or monastery in Spanish missions |
| cooperative | business in which capital, profits, and losses are shared equally among all those involved, and all involved have equal rights |
| corregidor | employee appointed and paid by Spanish monarchy to run a corregimiento |
| corregimiento | encomienda reclaimed by the Spanish monarchy |
| coup d'etat | military takeover of a government |
| credit | money that is borrowed |
| criollo | person of Spanish descent born in Spain's American colonies; creole |
| crustacean | common name for any of a group of mainly aquatic anthropod invertebrates, including the crab, lobster, and shrimp |
| cultural diffusion | the spread of language and traditions from one group to another |
| cultural exchange | sharing of culture between groups of people |
| culturally diverse | many different races, ethnicities, languages, and/or religions existing within one place |
| culture | way of life of a group of people; includes language, customs, traditions, beliefs, and religious practices |
| currency | money |
| currency exchange rate | the value relationship between two different currencies; the ration changes based on the economic and political standing of a country |
| customs | rules of behavior that people follow within a culture |
| czar | name for a ruler in Russia |
| D-Day | name given to greates seaborne invasion in history that occurred on June 6, 1944; the Allies won and Germans began retreat |
| deficit | a governing body spends more money than it brings in |
| deforestation | act or process of removing trees from or clearing a forest |
| democratic | describes a system in which people have a voice in government actions and can participate freely and equally in the decision-making process |