The graph shows cotton production and slavery in the US from 1790 to 1860. What does the graph indicate about the relationship between cotton and slavery? As enslaved workers learned new skills, farmers planted more cotton. As cotton became more popular, more workers were needed. As enslaved workers gained more freedoms, cotton production increased. As cotton became more difficult to grow, more labor was required.

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