Harvests of bondage: Manufactured goods (textiles, rum, sugar, molasses, indigo dye, opiates)

• 1644-1645: First slaving venture helps legitimize bondage in Massachusetts

• 1700: Isaac Royall: A dynasty built on slavery

• 1717: Shipwreck sheds light on piracy-slavery links

• 1737: Benjamin Lay: Radical Quaker voice for abolition

• 1739: Indigo: African expertise is key to cash crop

• 1740-1742: Slave trader's hall hosts abolitionist rallies

• 1743: Mutiny, chocolate, and racial capitalism

• 1764: Tax law protest tied to growing rum industry

• 1764: Colleges reckon with blood money, history

• 1779: In New Hampshire, 20 enslaved Africans petition for freedom

• 1780-1787: Thousands starve after food imports cut

• 1790: Opium king bankrolls hospitals, museums

• 1791: Prominent slave trader evades murder charges

• 1793: Cotton gin boosts, prolongs plantation slavery system

• 1794: Slave trade law fails to curb trafficking

• 1798: Ivory and slavery: The deadly cost of a pianoforte

• 1804: Haitian victory fuels hope among enslaved in U.S.

• 1814: Cotton enriches businessmen, North and South

• 1816: Revolts advance abolition cause in British empire

• 1820: Maine becomes a free state in deal over slavery

• 1827: Freedom's Journal: the voice of Black abolitionism

• 1827: Boycott of goods made by enslaved labor grows

• 1830: Black groups expand free produce movement

• 1831-1832: Brutal crackdown after Jamaica revolt sparks outcry

• 1833: Britain frees 800,000, compensates enslavers

• 1834: Mill workers support enslaved cotton pickers

• 1835-1836: Colonists win Texas independence, protect right to enslave

• 1838-1846: Cooperatives produce fair-labor goods, model shared values

• 1849: Mexico: Freedom for escapees at a price

• 1865: Planters mull plan to import Chinese laborers