How did barbarian groups affect the Western Roman Empire? A. Various barbarian groups weakened the empire with a series of invasions.
B. Various barbarian groups were conquered and became Roman slaves.
C. Various barbarian groups volunteered to become mercenary soldiers.
D. Various barbarian groups were contracted to protect Roman borders.

Which best explains why the allies employed the europe first strategy during world war ii? a.japan was a greater threat than germany to the allies. b.japan received military assistance from germany, so the allies needed to defeat germany first. c.the allies wanted to ensure that germany did not continue to conquer european territory. d.the allies needed japan’s vast stockpile of weapons to defeat germany.