Communism
This is an example of central planning in which everything is directed by the government. These types of economies tend not to do well because as the question states the incentive for individuals is taken away.
What war are you talking about ?
The main purpose of the GI Bill is : D. to help US of the war reintegrate into US society
GI Bill provide various assistance and service for the war veterans to came back and live their life in normal US society, such as helping them find jobs, giving them loan to open a business , etc
hope this helps