What event resulted in abraham lincoln receiving national attention?

a) passage of the missouri compromise
b) debate with stephen douglas in his campaign for the senate
c) john brown's raid on harpers ferry

In 1855 Lincoln unsuccessfully tried to get the Senate, and a year later he joined the newly formed Republican Party. He ran for the nomination for vice president in elections in 1856, but lost to William Lewis Dayton. Between August 21 and October 15, 1858 he conducted lively debates about slavery with Senator Stephen Douglas, which earned him popularity. Despite this, he failed to win election to the Senate, which was lost with Douglas

so B. :)

“the battle of stalingrad is not a turning point necessarily in strategic terms, because a lot more has to be done before the soviets can be certain of defeating germany,” says renowned world war ii historian richard overy. the germans had fought nearly a thousand miles across the soviet union to get to stalingrad.

i think that the answer is polishing peanuts