The correct answer is D.
The New Deal was the package of measures implemented by the US goverment of President Roosevelt between 1933 and 1936 in order to confront the very delicate economic situation after the Great Depression in 1929.
The harsh consequences of the depression acknowledged the need for goverment supervision and interventions in the economy, in order to soften the consequences of the business cycle, expecially of its downturns, so that in the future a depression of the same dimenssions as the one experienced would never happen again.