3 Select the correct answer.
If you lived under an economic system in which the government controlled all aspects of production, which economic system would this be?
A. traditional economy
B. market economy
C. planned economy
D. mixed economy

The league of nations was found in 1919 to keep peace after world war l.but it failed to prevent world war ll in 1939,so in 1945 the nations of the world set up a new organization,the united state (un).since then, the un has encouraged international cooperation and worked to resolve conflict