A business monopoly is where one business dominate/accounts for 100% of the market. There are many buyers but one seller, high barriers to entering/exiting the market, and the business is a price setter
The Fourth Crusade (1202–1204) was a Latin Christian armed expedition called by Pope Innocent III. The stated intent of the expedition was to recapture the Muslim-controlled city of Jerusalem, by first conquering the powerful Egyptian Ayyubid Sultanate, the strongest Muslim state of the time.
They came to trade fur, they also were looking for new land and a good route to the Pacific, and sought to convert American Indians. :)
I believe the answer is: It delayed or extended nationalist struggles.
The nationalist struggles come after different nations started to fully embodied nationalist movement, which make them tend to incline to prove their nation's superiority over another nations. This type of thinking often lead to conflicts among these european nations.
It's because Roman culture did not disappear because the traditions were kept alive by leaders in Constantinople.
You can see that many features in the city of Constantine is made based on the design that was taken from the Roman period and the interior usually filled with Roman artworks. Not only that, many ceremonies and celebrations is being done based on Roman tradition.
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