What happened to the underground railroad after the fugitive slave act was passed? it became less effective. it grew and became busier. it was shut down by slave hunters. it was shut down by the federal government.

After the Fugitive Slave Act was passed, the Underground Railroad grew and became busier.

Explanation:

The Underground Railroad was a clandestine network organized in the nineteenth century to help African-American slaves escape from the southern plantations to free states or Canada.

The Underground Railroad looked for its collaborators within the abolitionist movement, of which it was a part, and thus it continued to extend its activities always outside the law. It was especially important during the validity of the Fugitive Slave Act, helping the slaves not to be captured by the white supremacists of the southern states.

the treaty of brest-litovsk was a peace treaty signed on 3 march 1918 between the new bolshevik government of russia and the central powers (german empire, austria-hungary, bulgaria, and the ottoman empire), that ended russia's participation in world war i.

on november 6 and 7, 1917 (or october 24 and 25 on the julian calendar, which is why the event is often referred to as the october revolution), leftist revolutionaries led by bolshevik party leader vladimir lenin launched a nearly bloodless coup d'état against the duma's provisional government.