Because they are all in sense racist laws. They all demonized black people. From KKK thrusting their lives, Jim Crow Laws singling them out.
I'm thinking it was on September 1783?
Answer: Women were not allowed to fully participate in the convention; this directly led to the passage of the Nineteenth Amendment. For ten days in June 1840, abolitionists from both sides of the Atlantic met together at the World Antislavery Convention in Freemason's Hall in London, England. The purpose of the convention was to better organize and unite international abolitionist forces in the fight for emancipation.
Explanation: