Question

how was william wilberforce, a member of parliament, able to affect the future of slavery in britain? in 1833, he achieved a ban on the use of enslaved labor in factories. in 1807, he achieved a ban on british slave trade. in 1833, he was able to get reduced penalties for runaways. in 1804, he was able to get an amendment passed abolishing slavery in most northern us states.

Explanation:

William Wilberforce was a key figure in the anti - slavery movement in Britain. In 1807, he was instrumental in achieving a ban on the British slave trade. The 1833 act abolished slavery throughout the British Empire. The other options are incorrect as they either attribute actions to the wrong year or location.

Answer:

In 1807, he achieved a ban on British slave trade.