| A | B |
| kibbutz | Israeli settlements in which people live in community housing projects, work together, and share the profits of their labor |
| knight | in the Middle Ages, Western Europe, lesser noble who served as a warrior for the lard |
| kulak | prosperous peasant in the Soviet Union who opposed collectivization during the 1930s |
| laissez-faire | an economic system in which the government does not interfere with the economy |
| liberation theology | doctrine supported by many Catholic priests, calling for the church to take an active role in changing the conditions that contribute to poverty |
| life expectancy | the probable length of life for an individual |
| literacy | the ability to read and write |
| lord | in the Middle Ages, powerful noble who maintained his own land but owed allegiance to the king |
| mandate | after World War I, an order to a League of Nations member to establish a responsible government in conquered territory |
| manor | during the Middle Ages, the lands, including a village and surround lands, administrated by a lord |
| manorial | during the Middle Ages, the system economic system in which land, the manor, was administered by the lord and was the basis of the economy |
| market economy | an economy based on the buying and selling of goods and services |
| materialism | the belief that the accumulation of possessions is what is necessary for a good life |
| matrilinieal | describes a family in which the children trace their family line through their mother |
| mercantilism | economic theory that stated that a nation's economic strength depends on the importation of gold and silver and the establishment of colonies to serve the needs of the mother country |
| mestizo | person in Spain's colonies in the America who was of mixed European and Indian parentage |
| Middle Ages | period of history in Europe following the fall of the Roman Empire and lasting from about 500 to 1500 |
| militarism | glorification of the military and readiness for war |
| militarize | to train, prepare, or equip for war |
| minaret | slender tower from which Muslims are called to prayer |