Anthropologists have uncovered evidence of vast trade networks throughout the entire continent of North America that long pre-date the arrival of Europeans. This exchange of material goods and cultural traits supports which of the following concepts?a. stratificationb. diffusionc. evolutiond. enculturation

“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