They received permission from the Emperor to live in the Empire.
A couple of years later the Romans sent an army to defeat the Germans and failed to defeat them. The Germans continued to sack the west; they invaded Italy and sacked Rome.
Congress passes huge laws they haven’t even read (as well as) overspending, overtaxing and devaluing the currency.”The Romans were worse.
To pay for their excesses, emperors devalued the currency.
The government had to pay soldiers to patrol the frontiers of the empire; it could no longer rely on the loot to serve as the pay for the soldiers.
This took a significant amount of money out of the Roman treasury.
To improve the economic health of the empire, Diocletian set limits on prices and wages to slow down inflation. In the fourth century, the Huns, a nomadic people from central Asia, began attacking the German tribes.
To give some stability in agriculture and manufacturing, he ordered people to stay in their jobs. Thus the tribes looked for protection from the Huns in the Empire.
Rome bought peace by giving the Germans most of Gaul and Spain.
The Huns then marched into Rome and they were soundly defeated by Rome and its German allies.