I really wish you provided the research study. I would be happy to answer. It should be attached to wherever you found this question. Hope this helps :)
Considering it was during the Great Depression, I would believe that the answer would be C, these leaders promised to improve the economy and stay out of wars.
* Economic turmoil in Germany and Italy contributed to Hitler and Mussolini coming to power.
Most likely they would never meet or have fell in love
Queen Lili’ukalani was the only queen regnant and the last sovereign monarch of the Hawaiian Kingdom, ruling from January 29, 1891, until the overthrow of the Hawaiian Kingdom on January 17, 1893.
Hope this helps!