In the 1850s, in an effort to undercut the fugitive slave act, some northern states select one: a. called for secession from the south. b. proposed a national referendum on the slave issue. c. passed laws preventing the deportation of fugitive slaves. d. forbid fugitive slave hunters from traveling in their state. e. began actively funding the underground railroad.

The answer is letter C.

In the year 1850, some Northern states passed several laws to prevent the deportation of the fugitive slaves for the purpose of undercutting the Fugitive Slave Act or also known as the Fugitive Slave Law.

new evidence is discovered.

oversights and errors are corrected,

new technology is applied to evidence.

the exclusive possession or control of the supply or trade in a commodity or service.