What the umayyad caliphs to expand their empire?
the byzantine and persian empires were weak.
they formed an alliance with the franks.
they used gunpowder to conquer their rivals.
the shiites and sunnis put aside their differences.

Which one of the following statements is not true of the revolutionary war? a.) british casualties were twice as many as the americans. b.) british soldiers and loyalists left for england. c.) americans suffered greater casualties and destruction than britain