Generally speaking, it was that the flood "B. increased trust in government relief agencies" that was not an effect of the flood of 1927 on the state of Arkansas, since there was widespread criticism of the response.
For the Greeks (or more particularly the Athenians) any system which excluded power from the whole citizen-body and was not a tyranny or monarchy was described as an oligarchy. Oligarchies were perhaps the most common form of city-state government and they often occurred when democracy went wrong.
