I guess you forgot to mention the options which were
<span>Who is Sigmund Freud?
</span><span>Who is John Watson?
</span><span>Who is Hippocrates? and
</span><span>Who is Carl Rogers?
</span>
And the correct answer is Hippocrates, who was the first to study the mental illness.
B because it’s only one person
I think it's either A or D
The correct answer is: C) encourages the increased role of government to achieve full employment and economic growth. For a Keynesian, consumer demand is the most important force in an economy. Correspondingly, keynesian economics backs <em>expansionary fiscal policy</em>, which consist of government spending on infrastructure, education and unemployment benefits.