The middle kingdom was brought to a close with the invasion of the hyksos, a mixed semitic-asiatic group. which aspect of their military capabilities enabled the hyksos to conquer egypt?

improved weapons, including horse-drawn chariots
a larger military force
advanced fortification techniques
strategic alliances

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?