Another name for economic system could be capitalism.
The correct answer is C. President Wilson summarized a series of long term war objectives referred to as The Fourteen Points. The first six points addressed freedom of seas, settlementof collonial claims and diplomacy. The following points referred to territorial issues, and the final point established the creation of an association of nations to guarantee independence and territorial integrity, the League of Nations.
There are several reasons why the working class went to vaudeville shows, but perhaps the greatest reason was that it game them a rest from their ordinary lives.
It is literally (c), that question was easy