The primary argument for Japanese imperial expansion, especially in China, was that the Japanese were the superior race, and thus had a rite and obligation to dominate other, inferior cultures.
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Invasions by Barbarian tribes. The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders
Answer: democratic. what name was given to President Jackson's practice of rewarding political supporters with government jobs. the spoils system.
It can more efficiently produce goods.