Why did the fugitive slave law fail?

It failed because Northern States already had abolished slavery and they wanted to aid slaves who escaped and would ignore the law. They kept aiding until article 4 was reinforced. ... He believed that slavery needed to be abolished.

It failed because Northern States already had abolished slavery and they wanted to aid slaves who escaped and would ignore the law. They kept aiding until article 4 was reinforced. ... He believed that slavery needed to be abolished.

bujías y una hora antes y no me parece muy difícil