In what ways did populations move at the fall of rome

There were several reasons for the fall of the Roman Empire. Each one intertweaved with the other. Many even blame the initiation of Christianity for the decline. Christianity made many Roman citizens into pacifists, making it more difficult to defend against the barbarian attackers.

answer; /// i believe that the correct answer is (b)///they gained vast amounts of

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.