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A more specific episode is the one with William Beezley about the Mexican Revolution. Beezley carefully paints out how modern Mexico came into being. The revolution, as it turns out, is more of a process over several decades rather than a sudden shift in a single date.
Joel Lewis wrote a book Youth Against Fascism: Young Communists in Britain and the United States, 1919-1939. This looks like a rather marginal subject, but it is very interesting and also connects quite well with a number of other issues in NBIH. Simply put, communists were the first to recognize the threat of fascism and probably this was so because the fascists saw the communists as the prime targets for their aggression.
More NBIH:
American Exceptionalism,
The Great War in short,
How Rome Fell,
Glancing over the backlog,
Jews in the Russian army.