Which part of us did Corps of discovery travel

Why must governments be able to compromise?

Which directions did the mongols travel as they swept across asia and europe

Jackson pollock described his art style in the following quote: “new needs need new techniques.… it seems to me that the modern painter cannot express this age, the airplane, the atom bomb, the radio, in the old forms of the renaissance or of any other past culture. each age finds its own technique.” what point is pollock making about the new styles of art?