A lot of countries had totalitarian leaders during this time, such as Germany (Hitler), Italy (Mussolini), Japan (Tojo), Spain (Franco), Portugal (Salazar), and possibly many others, too.
Logrolling, which by definition is “the exchange of support or favors, especially by legislators for mutual political gain as by voting for each other's bills.”
Answer:
Several factors contributed to the fall of the Western Roman Empire, including the socioeconomic and political instability of the empire, the Germanic invasion and the invasion of other so-called "barbarian" tribes, the rapid rise of the Eastern Roman Empire, and more.
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