While Franklin Roosevelt Waited To Assume The Presidency, Herbert Hoover Tried To Get The President-elect To Cooperate On Long-term Solutions To The Depression Because?

Your question is not likely to get an accurate answer on
Blurtit, as it looks like a test question from a particular course. This means
that only one answer would be acceptable, and probably in order to know the
answer you would need to know the course material. It may be a better idea to
ask your course supervisor for help, or to look at the question again - is it part of a multiple choice question, for instance? If so, there should be three or four options with it.