Question

1. these groups of invaders settled in number 1 and filled the power vacuum left by the roman empire.

a. vikings
b. huns
c. angles and saxons
d. goths

Explanation:

The Angles and Saxons settled in areas of Britain (which could be considered filling a power - vacuum left by the Roman Empire in that region). Vikings were more active in northern Europe and raids across the seas. Huns were more of a nomadic group that caused disruptions but not primarily settlers in the area related to the Roman - British power vacuum. Goths were mainly in areas of the Roman Empire in continental Europe.

Answer:

c. Angles and Saxons