A) expelling enemy invaders and protecting the empire’s borders
B) instituting Shia Islam as the state religion
D) increasing the silk trade with India
Explanation:
Safavid dynasty changed the history of Iran in the sixteenth century. It changed Iran from a Sunni based region to Shia Islam by spreading the Twelver Islam. They controlled a wide area of middle east and thus provided stability to the empire to allow trade at an extensive scale. The strong military protected the boundaries of the large empire by expelling the invaders.
