How did Germanic invasions affect the Western Roman Empire?
Germanic groups attacked Rome but could not hold it.
Germanic groups formed their own country in the West.
Germanic groups permanently overthrew the western empire.
Germanic groups caused civil war within the western boundaries.

Germanic groups permanently overthrew the western empire.

Explanation:

Well, The best answer will be is Germanic groups permanently overthrew the western empire. Because, The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Good Luck!

north atlantic treaty organization.

people can see all information on a topic and believe it because of technology