all of the following statements are true about herbert hoover's first months in office as president of the united states, EXCEPT:
a. Hoover expanded opportunities for federal employment
b. Hoover expanded tax cuts across all income classes reorganized the Bureau of Indian Affairs to further protect Native Americans
c. Hoover caused the Great Depression by triggering the Stock Market to Crash on Black Tuesday
d. Hoover proposed the creation of an old-age pension program, promising 50 dollars per month to all Americans over the age of 65