The tone is basically to me dark and sad
Hello. Although you showed the book to which the question refers, you did not say which incident the question refers to, as there are many incidents covered in the book. This makes it impossible for your question to be answered, but I will try to help in the best possible way.
The main factor that points to the transition from old forms of war to new forms of war during the first world war was the use of technologies, mainly those driven by the industrial revolution, which gave the army a warlike power never seen before and allowed each army had access to fighter planes, tanks, submarines, toxic gases and others that did not exist in previous wars and that caused much greater destruction.
<span>By being able to develop his creative talents, he profited from the Depression while many other suffered.
Yip Harburg wrote the song, "Brother, Can You Spare a Dime" together with Jay Gorney. The song was inspired by the Great Depression.
</span><span>"I didn't want a song to depress people. I wanted to write a song to make people think. It isn't a hand-me-out song of 'give me a dime, I'm starving, I'm bitter', it wasn't that kind of sentimentality" - Jay Gorney's answer in an interview.</span><span>
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A shadow because there no bird that you can see
