Why was slavery such a big topic during the Lincoln presidential campaign

“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

How did its location near the sea most contribute to the growth of ancient greece? a.by supplying water for irrigating crops b.by providing easy access to trade routes c.by creating a natural barrier from enemies d.by generating power for watermills

How did imperialism play a role in sparking world war i?