I'm certain there isn't one! Pie charts are an efficient way to present data on people's views if you can get hold of some reasonably accurate figures of something specific. read more
Opinions are not usually expressed in pie charts. There are many biographies of Hoover that you can consult. read more
Personally, I think he was a good guy and was just president at the wrong time (Had he been elected in another time, I think he'd have been considered a pretty good president). read more
Herbert Hoover was a wealthy engineer and administrator who had been in charge of the miraculous effort to feed post-WW 1 Europe to stave off starvation. He was politically of the same mindset as the Republican presidents Harding and Coolidge—the best government is the least government, and the business of the country is business. read more