| A | B |
| Primary activities | Use natural resourses directly |
| Secondary activities | Use raw materials to produce something new |
| Terttiary activities | Provides services to people and businesses |
| Quaternary activities | process and distribute information |
| Free enterprise | Competition among businesses determines the price of products |
| Capitalism | Businesses are privately owned |
| Command economy | Makes all economic decisions |
| Communism | Economic and political systems in which the government controlls every part of production |
| Literacy rate | precentage of people who are able to read and write |
| Poverty | Major social problems in many cities |
| Tariffs | Taxes on important exports |
| Quotas | limits on the amount of product that can be imported |
| Terrorism | The use of violence and fear as a political force |
| Subsistance economy | people produce enough for themselves and their families |
| Poapulation density | average nunmber of people in an area |
| Population change | people moving into or out of an area |
| Culture | person's way of life |
| Traits | Behaviors and activities |
| Ethnic group | Groups of people that share ancestory and culture |