What strategies did the umayyad dynasty use to expand their empire

The idea of holy war, or "Jihad", which was a whole new term in the 7th century. This implied that all faithful Muslims should aid in the expansion of Islam at the expense of other religions. They were very progressive in their ideas and laws for their time, compared to the conservative Byzantine or Sassanid Persian elite.:

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i do believe that the correct answer is   (technical reasoning); luck

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