Focus of sitcoms-divorce/minorities, family problems etc in the 1950s tv entertainment

Iron making developed in china almost a thousand years later than in the middle east. true false

During the age of global expansion and encounter, many individuals brought about change. how might we prepare for changes today?

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?