I would have to say B. Head start programs
"I hope therefore that for our own sakes as a part of the people, and for the sake of posterity, we shall act heartily and unanimously in recommending this Constitution (if approved by Congress & confirmed by the Conventions) wherever our influence may extend, and turn our future thoughts & endeavors to the means of having it well administred."
They caused the government to grow because they provided support for farmers , the unemployed, youth and elderly. Also,the new deal expanded governments role in our economy, by giving it the power to regulate previously unregulated areas of commerce. Those primarily being banking, agriculture and housing. Along with it was the creation of new programs like social security and welfare aid for the poor.
4 the introduction of sound
Collective bargaining was used by unions to allow the union leaders to negotiate wages, labor contusions, etc with employers. The goal was to increase wages, better working conditions, etc.