Select the three positions that were included in the 1860 republican platform.

popular sovereignty on slavery in new territories
slavery was not addressed
favored the dred scott decision
denounced john brown's raid
slavery could continue where it already existed
no slavery in new territories

“well,” he says, “there’s excuse for picks and letting-on, in a case like this; if it warn’t so, i wouldn’t approve of it, nor i wouldn’t stand by and see the rules broke—because right is right, and wrong is wrong, and a body ain’t got no business doing wrong when he ain’t ignorant and knows better. it might answer for you to dig jim out with a pick, without any letting-on, because you don’t know no better; but it wouldn’t for me, because i do know better.” the meaning in this excerpt is