What does tierra caliente mean?

hot land
mild land
temperate land
cold land

Dalton developed the first model of the atom that showed the structure of the inside of an atom

Why did metternich think nationalism threatened the austrian empire?

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"?