Answer:
C. Established codes that set standards for production, prices, and wages in several industries.
Step-by-step explanation:
The National Industrial Recovery Act (NIRA) was part of the New Deal, a series of countercyclic policies on economies set by Franklin Delano Roosevelt to deal with the effects of the Great Depression. The National Industrial Recovery Act, set in 1933, consisted on a series of codes and standards for production, prices and wages in US industries, whose practical effects were the cartelization of industries and the appearance of the 'Big State' by the introduction of central planning elements within market economy.
Therefore, the right answer is C.