The economic system that has become associated with authoritarian governments and total control of the economy is C. communism. This can widely be attributed to the Soviet Union's use of communism during the latter half of the 20th century. Although it is foolish to tether economic policies to governmental systems, the USSR has become associated with totalitarianism and communism whereas the US has become associated with freedom and capitalism.
IF you're referring to segregation, all the way from before its founding to 1964. Now, if you're talking about discrimination, they still are.
Temporary
This can be best known as a temporary, interim or emergency government. A temporary government is put in place when there is a large void due to the collapse of a large government.
A. They commuted the Boston tea party in rebellion to the high taxes they received from the British.
