Identify an action by King Charles 1 that led to the English civil war

A.) A declaration of religious freedom.

B.) Taxation without parliaments approval

C.) unification of England and Ireland

D.) the abolition of Catholic forms or worship

B). Taxation without parliaments approval.

Explanation:

This is one of the actions by King Charles I that led to the English Civil War. Taxation is often a contentious issue in politics. This is because people can be very reluctant to pay taxes they consider to be unfair or unjustified. In this case, moreover, the King did not have the approval of Parliament. This led to taxation becoming a serious problem and eventually leading to the Civil War.

B) taxation without parliaments approval