This is the nickname for a member of the United States armed forces, most notably in World War II, but also for other 20th Century conflicts.

the correct answer that would best complete the given statement above would be option b. expanding civil services. diocletian and constantine paved the way for foreign invasion by dividing the empire, creating administrative bureaucracies and reorganizing the military, except for expanding civil services. hope this answer .

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explanation:

there were abundant sources of fuel nearby