How did the collapse of rome lead to the development of manorialism?

The Manorialism (Manor System)  dominated Europe following the fall of Rome .

Because there was no organization throughout Europe after the fall of the Roman empire. People needed protection and places to live so they went to manors.

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yes based on alexanders actions he deserved the title of "the great". his empire covered about 3,000 miles and he was able to establish the empire over a 13 year period of time. he was able to conquer many different places. he also defeated the persians. he conquered egypt and developed a city and named it after himself.