The ocean age: exchange, enslavement, revolution

Two worlds, one exchange

In 1492 Columbus, sailing for Spain toward Asia, fetched up in the Caribbean instead — and two halves of the human species, separated for fifteen thousand years, were suddenly one trading zone. What crossed the Atlantic remade both shores. West to east went potatoes, maize, tomatoes, tobacco, and American silver, which financed Spain’s empire and oiled China’s tax system. East to west went wheat, horses, and — most murderously — smallpox, measles, and influenza, to which Indigenous peoples had no immunity. Germs before guns: disease killed perhaps nine in ten Native Americans in the first century of contact, emptying lands Europeans then called wilderness.

The cruellest cargo ran east to west across a second ocean. To work American plantations after Indigenous labour collapsed, European traders bought — and African states sold — millions of captives across the Atlantic. Twelve million crossed; perhaps two million died on the voyage. The sugar, tobacco, and cotton they grew under the lash funded banks, ports, and industries in Liverpool, Nantes, and Amsterdam. Follow the labour: the wealth of the Atlantic world rests on enslavement, and every ledger of “trade” from these centuries has shackles in the margin.¹⁵

• 1492 Columbus reaches the Caribbean
• 1519–1522 Magellan’s expedition circles the globe
• 1619 First enslaved Africans land in Virginia
• 1687 Newton publishes the Principia
• 1776 American independence declared
• 1789 The French Revolution begins

Test it yourself

While empires counted silver, a quieter revolution counted evidence. Galileo pointed a telescope at Jupiter’s moons and saw not perfect heavens but data; Bacon preached experiment over Aristotle; and in 1687 Newton showed that one mathematics — gravitation — ruled falling apples and orbiting moons alike. The method was the message: observe, measure, predict, repeat, and let no text, however ancient, overrule the result. Print’s rails carried it everywhere: scientific journals, academies, and correspondence networks made discovery cumulative for the first time. Nature became legible — and, soon, exploitable at industrial scale.

Liberty, unequally applied

The revolutions that closed this chapter spoke in universals and acted in particulars. America’s founders proclaimed equality while protecting slavery; France’s National Assembly declared the Rights of Man while the sugar colonies ran on enslaved labour — until the enslaved of Saint-Domingue seized the promise literally and made the Haitian Revolution (1791–1804), the only successful slave revolt in history, founding Haiti at terrible cost. Principles meet interests: every universal of this age must be checked against the plantation. The ideas survived their authors’ hypocrisy precisely because the excluded could quote them back.¹⁶