Why did the second federal Fugitive Slave Law of 1850 anger white Northerners?

Question

According to the law at that time, when a slave ran away, he/she was ----- ?

Answer 1

One cause of conflict between Southern slave states and Northern free states was the lack of assistance given by northerners to southern slave-owners and their agents, who were seeking to recapture escaped slaves. Some southerners interpreted this as support for abolitionism and a refusal to respect southern states' rights. In contrast, since most northern states had abolished slavery within their borders, their view was that their local institutions should not be compelled to enforce southern states' slavery laws. By compelling local law enforcement officials to uphold slavery, northern states' rights were violated.

Answer 2

The Fugitive Slave regulation introduced the situation homestead to anti-slavery electorate in the North; because of the fact it made them and their establishments in charge for implementing slavery. Even reasonable abolitionists have been now confronted with the instant decision of defying what they believed an unjust regulation or breaking with their very own judgment of right and incorrect and theory.