China, korea, and japan share cultural
similarities in part due to their
(1) clashes with russian imperialists
(2) shared river systems
(3) contacts through trade
(4) unification under mongol rule

The yellow river is also known as the huang he river? true or false

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.

Match your vocabulary word to its definition. 1. emigration 2. immigration 3. migration 4. overpopulation 5. sustainable development 6. under population 7. unsustainable development 8. urbanization the movement from one place to another the number of people exceeds the available natural resources in an area leaving one's homeland to settle in a new place the increase in the population of a city the movement of people to a new country the ability to meet current needs without reducing the ability to meet future needs resources being used up at a faster rate than they can be replenished birth rate insufficient to replace the existing population