4. -Evidence of slavery can be found in every culture on the planet. -Most great civilizations participated in slavery. Civilizations that used slavery extensively Aztecs, Rome, Mayan, Inca, Greece, Persia, Sumer, Egypt, Assyria, Byzantium, Vikings, Islamic Empire, Russia, China, Japan, Korea, France, Spain....

5. - Portuguese sailors were the first Europeans to buy African slaves. - They needed a durable, disease resistant workforce for their plantations. -Soon, other European nations followed suit, and the slave trade was born.

7. - Estimated Human Toll: Number of slaves captured: 18 million Number of slaves transported: 15 million Number of slaves in New World: 10 million

9. How Slavery Works -Farming sucks! The bigger the farm the more it sucks. -Buy slaves to work for you, and pay them in food. -Take the extra money you save to buy more land. -More land means more slaves...

10. -A slave costs about $15,000-35,000 in todays dollars. -About 1/3 of southerners owned one or more slaves,.75% owned 50 or more. Most owners owned 5 or less. -Until 1793, slavery was dying because it was unprofitable. (5% return on investment, SBUX=2.5%)

11. -In 1793, Eli Whitney invented the Cotton Gin. -The value of the cotton in the south rose... $150,000 in 1790 $8,000,000 by 1800. 53 times more profit!

14. -The south, by itself had become the 4 th most prosperous nation in the world. -Its wealth relied on exports and markets in Europe. -As cotton prices went up... - Slaves became more valuable, and were treated better. -Southerners were less willing to end slavery.

17. -AAs in the were legally property of their masters. -About 10% of slaves lived in towns and cities laborers and servants. They had more freedoms. -Free blacks in the South had restrictions to keep them under control. -½ of all free blacks lived in the south.

19. -They formed their own organizations to improve their lives. -The National Council or Colored People and was formed to help end segregation. -Although free, AAs in the north faced unequal treatment, or discrimination. -They were also segregated, or kept separate from white society.

20. -Free blacks in the north were treated like 2 nd class citizens despite being free. -In the south, free blacks were restricted to keep them from being treated as equals. -Slavery became more and more profitable, which made the south less likely to compromise.