Original sentence: It's also plausible that the rejection of the book stemmed from Seuss' promotion of a theme of "moral equivalence," where the difference between the Soviet Union and the United States amounted to a picayune disagreement over the proper side on which to butter bread
Edited sentence: It's also plausible that the rejection of the book stemmed from Seuss' promotion of a theme of "moral equivalence," where the difference between the repressive totalitarian Soviet regime and the Constitutional republic of the United States amounted to a picayune disagreement over the proper side on which to butter bread