Complex sentence: They wanted him to be a puppet ruler and so took steps to curtail his power, the previous emperor Furrukhsiyar was deposed by the Syed Brothers as he had tried to maintain his independence.
Split into simpler sentences: They wanted him to be a puppet ruler and so took steps to curtail his power. The previous emperor Furrukhsiyar was deposed by the Syed Brothers as he had tried to maintain his independence.