How did the fall of rome affect trade in western europe?

a. frequent wars and invasions caused trade in western europe to decline severely.

b. trade flourished as profitable new scandinavian trade routes were established.

c. roman merchants set up their own successful market centers in western europe.

d. mongols cut mediterranean trade routes, almost stopping trade in western europe.

this is the ANSWER

A. Frequent wars and invasions caused trade in Western Europe to decline severely.

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