What kinds of information could be found in Captain Marcy's Guide to Overland Travel?​

What did kublai khan learn from the chinese advisers he consulted?

Before the civil war, the south’s economy was based on enslaved labor. large cities. immigrant workers. factories.

“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