Complex sentence: An Afghan invasion of Iran at the beginning of the 18th century resulted in the near collapse of the Safavid state, and the resultant power vacuum saw Oman invade Bahrain in 1717, ending over a hundred years of Persian hegemony.
Split into simpler sentences: An Afghan invasion of Iran at the beginning of the 18th century resulted in the near collapse of the Safavid state. In the resultant power vacuum, Oman invade Bahrain in 1717, ending over a hundred years of Persian hegemony.