Why did Hitler become so popular in the 1930s?

Is harry truman considered a hero or a tyrant for dropping the atomic bombs on hiroshima and nagasaki? (need a paragraph)

The rise of advertising in the 1920s. i am good with seeing how advertisements shape the roaring twenties and how it developed a new way of life through modern days. but i am not sure what the details of advertising in the 1920s were. if possible can you send me links (preferrably credential links) to sources that maybe show like the first company to start advertising through the radio, how advertising benefits (statistics graphs), etc.

How did the united states’ approach regarding the japanese economy shift during the korean war? it focused on growth rather than reform. it focused on reform rather than growth. it focused on reform rather than stabilization. it focused on stabilization rather than decline.