What contribution did Thomas Clarkson and William Wilburforce make to British society in the 1800s?
a. They proposed laws to improve workers' lives.
b. They invented machines that changed industry.
c. They led protests against the expansion of the British Empire.
d. They worked to end slavery.
One of the contributions that Thomas Clarkson and William Wilburforce made to British society in the 1800s was that "d. They worked to end slavery," since they were two of the leading abolitionists of their time.
