Writers in the first half of the 20th century were heavily influenced by world war
1. Americans were also heavily influenced by the great depression and the disillusionment of capitalism. This is why many wrote about poor characters and rags to riches stories, like the Great Gatsby, or they were about people going to Europe like Hemingway often wrote.
Yes, it would. An alliteration is the repetition of the same sound, usually initial, in two or more words. This term normally applies to consonants and accented initial vowel.