Why did civil wars pose a threat to the Roman Empire? They showed that parts of the empire wanted independence.
They limited the spread of Christianity throughout the empire.
They led to the increased use of enslaved laborers in the empire.
They gave too much power to the central government of the empire.

How did the spanish-american war affect american expansionism? a.) america took control of hawaii, cuba, and the pacific islands of guam. b.) america took possession of cuba and the philippines. c.) america gained control of puerto rico and hawaii. d.) america gained control of cuba, puerto rico, the pacific island of guam and the philippines.