| | artifacts | object produced or shaped by human craft, especially a tool, weapon, or ornament of archaeological or historical interest | 
| barter economy | a system of exchange by which goods or services are directly exchanged for other goods or services without using a medium of exchange, such as money | 
| Buddhism | a religion represented by the many groups (especially in Asia) that profess various forms of the Buddhist doctrine and that venerate Buddha | 
| caste system | a social structure in which classes are determined by heredity | 
| Chinese civilization | a country of eastern Asia, ancient civilization traditionally dates to c. 2700 b.c | 
| Christianity | the collective body of Christians throughout the world and history | 
| city states | a state consisting of a sovereign city | 
| command economy | an economy in which production, investment, prices, and incomes are determined centrally by a government | 
| constitutional monarchies | a form of government in which a monarch acts as head of state within the guidelines of a constitution | 
| dictatorship | a form of government in which the ruler is an absolute dictator | 
| Egypt civilization | a country of northeast Africa and the Sinai Peninsula on the Mediterranean Sea, in ancient times it was a flourishing kingdom and one of the earliest known civilizations | 
| feudal system | the social system that developed in Europe in the 8th century; vassals were protected by lords who they had to serve in war | 
| Greek civilization | ancient Greece was an ancient civilization belonging to a period of Greek history that lasted from the Archaic period of the 8th to 6th centuries BC to the end of antiquity.  | 
| Hinduism | the religion of most people in India, Bangladesh, Sri Lanka, and Nepal | 
| impact | forceful consequence; strong effect; influencing strongly | 
| Incan civilization | the Andean civilizations made up a loose patchwork of different cultures that developed from the highlands of Colombia to the Atacama Desert | 
| irrigation | supplying water to the land to help crops grow | 
| Islam | the monotheistic religious system of Muslims founded in Arabia in the 7th century and based on the teachings of Muhammad as laid down in the Koran | 
| Judaism | the monotheistic religion of the Jews having its spiritual and ethical principles embodied chiefly in the Torah and in the Talmud | 
| lake | a purplish red pigment prepared from lac or cochineal; a body of (usually fresh) water surrounded by land | 
| market economy | an economy that relies chiefly on market forces to allocate goods and resources and to determine prices | 
| Mayan civilization | noted for the only known fully developed written language of the pre-Columbian Americas, as well as for its art, architecture, and mathematical and astronomical systems | 
| migration | movement of persons from one country or locality to another | 
| monarchy | government under a single ruler | 
| nomadic | leading a wandering life with no fixed abode; changeable; unsettled | 
| oligarchy | government by a few persons, especially by a small faction of persons or families | 
| peninsula | a piece of land almost completely surrounded by water but joined to a larger mass of land | 
| physical regions | natural region is a basic geographic unit | 
| plateau | highland; upland; relatively flat highland | 
| political | of or relating to your views about social relationships involving authority or power; of or relating to the profession of governing | 
| representative democracy | a variety of democracy founded on the principle of elected officials representing a group of people, as opposed to direct democracy | 
| Roman civilization | the history of Rome spans 2,800 years of the existence of a city that grew from a small Latin village in the 9th century BC into the center of a vast civilization that dominated the Mediterranean region for centuries | 
| settlement patterns | distribution of human settlements on the landscape | 
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