Answer: The British Emancipation Act of ___2._____ was a boost to the abolitionist cause in the United States.
Explanation: On August 1, 1834, Britain passed the Slavery Abolition Act, outlawing the owning, buying, and selling of humans as property throughout its colonies around the world. While this did not free enslaved people in the United States, it was a source of inspiration and hope for abolitionists.