All three were conservative republicans. Harding became president in 1920 by winning the largest popular vote 60% to 34 %. Coolidge was him running mate and took office after Harding mysterious death.
Coolidge will also run in the 1923 election and win the 1924 presidential election on his own ballot. Hoover runs for office in 1928 and win the election.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.