Pls help easy points ty

Who was marshall mcluhan and what did he have to do with communication theory?

N1947, the united nations create a country

Characteristics of what type of economic system are being described below? 1.economy in which some/all of the basic economic questions answered by central authority 2.trade generally limited to what is produced through the influence of the government a.command economies. b.market economies. c.traditional economies.