Which factor that hoover get elected president also him during the great depression? a.) his support of union rights, because he was able to convince unions to hold off demands during the great depression b.)his belief in individualism, because he did not believe the government should give aid directly to individuals c.)his experience as secretary of commerce, because he led efforts to build the st. lawrence seaway and the hoover dam d.)his ability to control the food supply through world war i, which earned him the nickname “the great engineer”