Immediate answer: no single historical figure universally “wanted to kill all the slaves.” However, during the Atlantic slave trade and the era of slavery in the Americas, several groups and individuals advocated for extreme violence, mass murder, or genocidal policies against enslaved people - motivations ranged from suppression of revolts to racial extermination fantasies - and where plans to kill large numbers existed, they were often partial, local, or rhetorical rather than centrally executed designs to eliminate every enslaved person. Context and key examples
- British and colonial slaveholders: Many defended slavery with brutal repression. After rebellions (for example, the Haitian Revolution, 1791–1804), colonial elites and metropolitan officials sometimes debated or implemented draconian measures - mass executions, summary punishments, and terrorizing tactics - aimed at crushing insurgency and deterring future revolts. Those policies targeted rebellious populations but did not represent a systematic plan to kill all enslaved people everywhere.
- American slaveholders and politicians: In the antebellum United States, proslavery leaders defended harsh punishments, slave patrols, and laws that stripped enslaved people of rights; some individuals advocated ethnic cleansing in extreme terms, especially in moments of panic after uprisings (e.g., Nat Turner’s rebellion, 1831). Still, mainstream Southern planters sought to preserve the enslaved labor force, not exterminate it, because slaves were economic property.
- Colonizers and frontier settlers: In some colonial frontiers (not limited to the Atlantic slave system), settlers supported genocidal violence against Indigenous peoples or enslaved fugitives. Local massacres and forced removals sometimes targeted both Indigenous communities and maroon (runaway slave) settlements with intent to destroy them.
- Slave traders and captains: Conditions aboard transatlantic slave ships were deliberately lethal - overcrowding, disease, and punitive practices produced extremely high death rates. While the primary aim was economic (transporting as many surviving captives as possible), the indifference and cruelty aboard ships made death a routine outcome for many.
Where claims of intent to “kill all the slaves” appear
- Revolutionary panic and rhetorical calls: After major revolts, some commentators and officials used incendiary language calling for annihilation of rebellious groups. Such rhetoric can be found in letters, legislative debates, and newspaper editorials; it reflects fear and desire for retribution, but rhetoric does not always translate into coordinated plans to exterminate every enslaved person.
- Genocide-like campaigns: Certain localized campaigns carried genocidal character - massacres of maroon communities or punitive expeditions that aimed to destroy entire settlements. These acts can rise to the level of genocide for targeted communities, but they were typically regional rather than an empire-wide policy to kill all enslaved people.
Limits of evidence and interpretation Historians separate economic motives (keeping labor), political control (preventing rebellion), and ideological violence (racial extermination). In most slave societies, the dominant motive for ruling groups was to maintain the labor system, which disincentivized wholesale killing. Yet extreme violence, terror, and mass murder occurred repeatedly, and individual actors or local authorities sometimes pursued policies indistinguishable from attempts at annihilation. Determining intent requires careful reading of contemporary documents; where explicit plans to kill every enslaved person existed, they were exceptional and context-specific rather than universal. If you want, I can provide documented cases (primary- source excerpts and scholarly references) showing specific massacres, debates, or policies that approached extermination.