B is not an example of economic freedom because wages and prices are being controlled by the gov. controlling money is not freedom economically because the individuals are not controlling it themselves (which would be freedom) . The rest of the options are examples of economic freedom.
The major cause of shifts in political allegiance during this time came from the Great Depression, which required strong government intervention to correct the issue. These interventions became commonly ascociated with the Democratic Party, thanks to FDR.
house work should be your answer.