The answer would be 20 billion thats A.
One difference between the psychologists and the psychiatrists is that due to their different training, all the psychiatrists but not all the psychologists can prescribe medication. This might be different from state to state, but generally psychologists focus on the psychotherapy.
Answer: C (not completely sure)
Explanation:
According to Wikipedia, seditious speech is "speech directed at the overthrow of government. It includes speech attacking basic institutions of government, including particular governmental leaders."
Due to this definition, answer C is the best. The others mention revolutions, which isn't the definition.
I believe the answer is A