Yes I believe that Hoovers early career effectively helped to prepare him for the presidency.
Right before Hoover became the president of the United States of America, he had served the country in some other capacities.
One of the ways that he did this was through the appointment that he got from Woodrow Wilson as the head of the nations food administration.
Apart from this, he was also the secretary of commerce under Warren Harding.
These are strategic positions that helped to prepare him for the presidency.
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