The document discusses the final dismantlement of slave systems between 1807-1886. It provides details on the abolition of the trans-Atlantic slave trade by various countries from 1803-1824. It then examines the factors that led to the British abolition of the slave trade in 1807, including the work of abolitionists, the Haitian Revolution, economic reasons, and changes in government. Opposition to the slave trade included resistance by enslaved people in Africa and the Americas as well as activism by white abolitionists, black abolitionists like Olaudah Equiano, and women's groups.