Which emperor ruled during the byzantine empire and attempted to restore the western roman territories to a time prior to its fall

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

Why did the collapse of the soviet union and the power vacuum in the balkans lead to bosnian genocide?

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?