Why did the germanic barbarian tribes move into europe?

They move into the Empire from the east, pushed by other peoples behind them. They were initially settled in the Empire on the borders to help protect them from later arrivals.

Explanation:

Barbarian migrations and invasions: The wanderings of the Germanic peoples, which lasted until the early Middle Ages and destroyed the Western Roman Empire, were, together with the migrations of the Slavs, formative elements of the distribution of peoples in modern Europe.

the first settlements began along the huang river because of the importance of the huang river in the beginning of china. it goes back to the story, “the tale of emperor yu”, which references the tale of the great flood, which was caused by the huang river and was believed to create and influence china’s making.

probably 3 since archeologists and historians don’t understand there writing.