Pressure brought to bear in the revolutionary era through petitioning would help erode slavery and help to extend the rights of African Americans in the North. Slavery would be abolished in one of several ways: through constitutions (as in Vermont in 1777), by judicial decision (as in Massachusetts in 1783), and by gradual abolition acts (as in Pennsylvania in 1780 and Rhode Island and Connecticut in 1784). Gradual abolition was advocated by Federalists in New York (including Alexander Hamilton and John Jay) and adopted by the state legislature in 1799; New Jersey (the last Northern state to abolish slavery in gradual form) followed in 1804. Legislation for gradual abolition provided for those born into slavery after the act to be freed at a certain age (twenty-one in Pennsylvania and twenty-eight in New York), allowing slavemasters to continue to receive much of their slaves’ work as compensation for their loss of “property.”14
While scores of African Americans petitioned for their freedom during the era, most slaves who took action to liberate themselves tried either to escape from their captors or to buy freedom for themselves or loved ones. Still others decided to take up arms—including those who fought in the American Revolution.15 Thousands of slaves during the war joined the ranks of either the patriots or the British to obtain their freedom. Which side African Americans chose to fight on depended on where they were and what was, or appeared to be, most advantageous to them. Black men fought with the Continental Army in the earliest battles, at Concord, Lexington, and Bunker Hill. For their part, the British encouraged both male and female runaways to join their ranks. On November 7, 1775, Lord Dunmore, the British governor of the Virginia colony, intending to bolster the ranks of the British military while destabilizing the Southern plantation economy, issued a declaration granting freedom to any slave who joined his “Ethiopian Regiment” (a similar tactic would be used by Abraham Lincoln during the Civil War with the issuance of the Emancipation Proclamation).16 Over eight hundred slaves responded to Dunmore’s call. However, thousands of African Americans who served in the British army and navy were used as cannon fodder or returned to slavery following the war. Thousands more slaves escaped during the war, many securing their freedom by fighting on the patriot side, others fleeing to Canada, where they remained in safe harbor following the war. African Americans would thus make the Revolution their own by employing the language of liberty in their appeals for emancipation, fighting for their freedom, or escaping when possible.17
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Abolitionists on both sides of the Atlantic appealed to assemblies and courts of law during the revolutionary era. James Somerset, a slave from Virginia, would successfully sue for his freedom in the British courts in 1772. Somerset had claimed his freedom under British law for having been brought to “free” England proper, where slavery was illegal. Over subsequent decades, the Somerset case was used as a precedent by abolitionists in arguing cases for emancipation. In Commonwealth v. Aves (1836), Justice Lemuel Shaw decided that slaves in transit in Massachusetts became free in accordance with the principal ruling in favor of Somerset.18
Legal pressures would be accompanied by ongoing petitioning of legislatures to act on behalf of the enslaved population. Petitioning had long been used by individuals seeking redress from Parliament or by patrons regarding private commercial transactions, but doing so as part of a broader political campaign emerged as an organizing tactic in the late eighteenth century. In 1788, fifteen years after Bestes and others presented their antislavery petition to the Massachusetts Legislature, the first major antislavery petition was circulated by abolitionists in England. A representative of the Jamaican sugar lobby expressed disbelief. Unlike the black petitioners in North America, those who were circulating the petition in England neither had been privately injured by slavery nor would directly benefit from its end. On what grounds, then, were they petitioning for abolition? The courts were equally perplexed and did what dozens of elected officials and jurists would do in the centuries that followed: rule that those bringing forth the petition or suit “lacked standing.” Nevertheless, between 1770 and 1792, petitioning was transformed from a tool of private interest to a public weapon in the fight to abolish slavery.
Predominantly white abolitionist societies that helped to gather petitions and filed lawsuits on behalf of slaves would appear in Philadelphia in 1775 and New York in 1785. Alongside these societies, free African Americans in Northern cities, including Boston, New York, and Philadelphia, joined their enslaved compatriots in petitioning campaigns and filing their own lawsuits. By the 1790s, petitions were being regularly launched at public meetings, accompanied by the pooling of money to purchase newspaper advertisements calling for abolition and other lobbying efforts directed at assemblies, individual politicians, or the larger public.19 Adding to this organizing momentum, black leaders in the North would form an array of mutual aid societies, fraternal orders, churches, and schools, through which African Americans were further mobilized. Results were realized locally, as a combination of prior black military service, individual abolitionist petitions for emancipation, and related actions by abolitionist societies pushed Northern legislatures either to end slavery within their jurisdictions or to provide for its gradual abolition. By 1784, with the exceptions of New York and New Jersey, every Northern state had enacted gradual emancipation laws.20
The institution of slavery remained an integral part of New York’s economy even after the Revolution, as shipbuilding, slave insurance, and slave labor fueled multiple related businesses. Not surprisingly, the government of New York, whose constituency included slaveholding interests with political influence, resisted full emancipation until 1827. New York City had served as the principal entrepôt for the Northern slave trade up until 1775. With over twenty thousand slaves in New York in the final decade of the late eighteenth century generating profits for their masters, elected officials were slow to abolish the institution outright, opting to pass gradual laws instead, first in 1799 and then again in 1817.21
Prolonging the nation’s “peculiar institution” were the actions of the federal government at the founding of the republic. Slavery in the “land of liberty” was reconciled—codified and militarily enforced—under the combined political leadership of the Federalists and the anti-Federalists, the latter formally establishing themselves as the Democratic-Republican Party in 1792. As it were, the more popularly supported revolution of 1776, with its anticolonial activities having been more democratically organized (in the form of decentralized protests and armed rebellion), was usurped by a centralized revolution of the elite. While the Northwest Ordinance of 1787, passed by the Congress of Confederation, prohibited slavery in territories north of the Ohio River and east of the Mississippi, and two years later a provision was made in the U.S. Constitution that permitted the outlawing of the Atlantic slave trade after 1807, two other clauses in the Constitution significantly entrenched slavery: Article Four affirmed the right of slavemasters to recover runaway slaves, and, more damaging still, Article One provided that three-fifths of the slave population was to be counted for purposes of taxation and representation in the House of Representatives.22 The Constitution would thus guarantee slaveholders political power in national affairs far exceeding their actual numbers. It would also constitute the first among a number of major compromises between the two major parties at the expense of African Americans, to be followed by the Missouri Compromise of 1820 (permitting slavery to continue in the new state, even while slavery was banned in almost all remaining federal territories), the Compromise of 1850 (introducing a powerful fugitive slave law), the Kansas-Nebraska Act of 1854 (which opened land previously closed to slavery), and the Compromise of 1877 (ending Reconstruction and national support for freedmen). Other compromises followed in the twentieth