| A | B |
| abundant | ample supply; having more than enough |
| agriculture | raising livestock, farming, and cultivating crops |
| arid | dry; having too little rainfall to support vegetation |
| barren | uninhabitable; worthless for growing vegetation |
| barter | the exchange of one good for another |
| boycott | refusal to buy or use something for political reasons |
| capitalism | economic system in which private owners control the production of goods and profits |
| cash crop | product grown to be sold or exported |
| civilization | advanced features of a society such as cities, special jobs, writing, and organized government and religion |
| colonize | to take over, rule, or set up territory in another nation |
| communism | economic, social, and government system with the idea that everything is shared equally |
| constitution | a set of laws that defines and limits a government's power |
| cultural diffusion | the spread of languages and traditions from one group to another |
| culture | the language, religious beliefs, values, customs, and other ways of life shared by a group of people |
| dense | crowded; compactness within an area |
| dictatorship | form of government in which absolute power is exercised by a leader with absolute authority |
| diversify | to add variety to something |
| elevation | height above sea level |
| empire | a vast collection of colonies or territories controlled by one nation |
| executive | the branch of government responsible for carrying out and enforcing the laws of the country or state |
| fascism | a governmental system led by a dictator having complete power, forcibly suppressing opposition and criticism |
| imperialism | the policy of taking over other countries and creating an empire |
| indigenous | native; originating in a particular country |
| inhabited | describing an area with a permanent population |
| inland | in the middle; in the central part away from the coast |