When and why did the greeks engage in warfare with the persian empire? when and why did the greeks engage in warfare with the persian empire?

Which indo european tribe developed a strong warrior society and built an empire that was frequently invaded by those seeking fertile land

Which of the following individuals is promoting the idea of nationalism?

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?