George Washington’s Biggest Mistake: Failing to Abolish Slavery in His Lifetime
In my research, Washington’s most consequential error wasn’t a military blunder or political misstep—it was his complicity in slavery. Though he privately called the institution a “moral and political evil,” he never publicly supported abolition and kept over 300 enslaved people at Mount Vernon until his death in 1799.

What Led to the Mistake?

Washington inherited enslaved workers at age 11 and built his wealth on their labor. Despite his later unease—writing that he wished to see slavery abolished “by slow, sure, and imperceptible degrees”—he feared economic collapse for his estate and faced legal barriers to emancipation. Virginia’s laws also required legislative approval to free enslaved people, complicating his path.

Consequences of Inaction

By not leveraging his immense influence to push for abolition, Washington left a power vacuum on the issue. His silence allowed slavery to deepen in the South, embedding it in the nation’s economy and social fabric. Historians argue that his failure emboldened pro-slavery politicians, ensuring the institution’s survival for another six decades—a moral stain that fractured the union he helped build.

What Did Washington (or Historians) Say About It?

In his final years, Washington expressed regret. His 1799 will freed his enslaved workers upon Martha’s death, calling slavery “a task incompatible with the principles of Christianity.” Yet he never apologized publicly. Modern scholars like Ron Chernow note this duality: Washington’s ideals soared, but his fear of instability kept him from acting.

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