What did trench warfare cause?

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a)
defeat of france at the start of the war
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b)
russia’s defeat on the eastern front
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c)
stalemate on the western front
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d)
troop movement on the eastern front

C. I think its stalemate on the Western Front

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Explanation:

b: the establishment clause  

b: socialism  

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: