Answer:
B.
Step-by-step explanation:
President Herbert Hoover was the 31st President of the United States serving from 1929 to 1933, the era of Great Depression.
To combat the time of Great Depression, Hoover formalized certain policies, which failed to fight economic crisis in the United States, rather it affected the world economy.
One of Hoover's policy was to fund a large sum of money in Public Works Project. The PWA was the policy to invest heavy amount of money in construction of dams, hospitals, bridges, etc. which will provide employment to people. This policy was formalized to revive the economic condition of tthe U.S. But did not prove to be that much successful.
Thus from the given options. the correct one is B.