What rule in Congress kept Abolitionist from getting much movement toward ending slavery.

Gag rule

Explanation:

during the 24th Congress (1835–1837), the U.S. House of Representatives instituted the “gag rule,” the first instance of what would become a traditional practice forbidding the House from considering anti-slavery petitions.

where are the options?

explanation:

no options provided, here,but the answer to this question is often: a historian cites a japanese newspaper article published a year after the end of world war ii in order to draw conclusions about the effect of the war on the japanese economy.

clearly from the answer, the historian alludes to historical sources,and records to aid in analyzing and drawing conclusion on the effect of the war on the economy of japan.