Which historical event most caused the us urban population to climb from 6 million to 44 million between 1860 and 1910?

In the gettysburg address, which rhetorical device does abraham lincoln employ when he says, "the world will little note,nor remember what we say here, but ic never forget what they did here"?

In the united states, the government creates laws and regulations that business activities to prevent wrongdoing.

Which consumer uses the most water in the united states each year? a. livestock b.power generation c. industry and mining d. public water consumption