The English Civil War had two sides, the Cavaliers who supported the king, and the Roundheads who supported Puritans in Parliament. What led to this war? 1. Charles I did not want to rule on his own

2. A rebellion in Scotland weakened the king, who was suspected of supporting the rebels

3. Disagreements between religious groups and how power should be divided

4.England wanted to end the monarchy and the way Elizabeth I ruled