I believe the answer is It shows that Charlemagne conquered a huge part of Europe.
Charlemagne became the first man in history to conquer Western Europe since the downfall of the Roman Empire. Eventhough his empire was not as large as the Romans, His achievement still pretty much respected becuase many experts believe that the current France and England is the fragments of what used to be Charlemagne's empire.
The period from 1550 to 1650 is considered the Spanish Golden Age because of its brilliance in its arts and literature. Philp II was an enthusiastic patron of the arts and also founded academies of science and mathematics.
The answer of this question on edguenity is
D. Helped strengthen the power of the federal government.
Hope this helps
