How was William Wilberforce, a member of Parliament, able to affect the future of slavery in Britain? In 1833, he achieved a ban on slave 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 establish safe-houses for runaway slaves.

William Wilberforce, a member of Parliament was able to affect the future of slavery in Britain, because he helped pass the Slave Trade Act of 1807 and later on the Slavery Abolition Act of 1833 which abolished slavery in all British colonies. This included slave trade and all other things related to slavery being abolished in the Indian subcontinent, African colonies and colonies in the Caribbean.

In 1807, he achieved a ban on British slave trade

nations must cooperate to bring about and maintain world peace.

nations must not wage wars or commit war crimes in a desire to control other nations.

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