Which best describes charlemagne's work in europe?
o
a. he failed in his attempt to expand his empire.
us
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b. his work remained intact in eastern europe.
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c. his empire broke apart after his death.
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d. he had little interest in expanding the carolingian empire.

C. His empire broke apart after his death

Explanation:

After Charlemagne died, the empire he had created broke off into three separate regions because of the treaty called the "Treaty of Verdun", which states that Charlemagne's family will get each of a region.

the answer is a, salt plain

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