USA HISTORY

Detailed explanation-1: -He helped found The Society for Effecting the Abolition of the Slave Trade (also known as the Society for the Abolition of the Slave Trade) and helped achieve passage of the Slave Trade Act 1807, which ended British trade in slaves.

Detailed explanation-2: -Thomas Clarkson was a leading activist in Britain against the transatlantic slave trade. He helped found the Committee for the Abolition of the Slave Trade and was a main force in bringing about the Slave Trade Act of 1807, which legally ended British trade in enslaved Africans.

Detailed explanation-3: -Thomas Clarkson, (born March 28, 1760, Wisbech, Cambridgeshire, Eng.-died Sept. 26, 1846, Ipswich, Suffolk), abolitionist, one of the first effective publicists of the English movement against the slave trade and against slavery in the colonies.

Detailed explanation-4: -abolitionism, also called abolition movement, (c. 1783–1888), in western Europe and the Americas, the movement chiefly responsible for creating the emotional climate necessary for ending the transatlantic slave trade and chattel slavery.