What contributed to the start of the english civil war? . a] parliament refused to approve the act of supremacy, b] parliament executed the chief ministers of charles i, c] charles i refused to sign the petition of right, d] charles i refused to sign the english bill of rights.

This English Civil war in England contributing between Charles I and Parliament caused a drastic change in it form of government. This Civil War broke out because the two governments, the king and Parliament, could not be reconciled. The English Civil War broke out because of many different reasons. "Conflicts between James I and Charles I against Parliament had lead to the Civil War. One of the reasons that brought forth the Civil War was the Divine Right of Kings that James I introduced to Parliament, clamming that the monarchs were chosen by God to rule on earth, therefore they should receive absolute power. To Parliament, this meant that they would have no space in order or making any decisions, with no power. The real conflict and dispute came from James I's son, Charles I and Parliament. Parliament had once approached Charles with the Nineteen Propositions' which were to end their disputes." The Civil War was mainly because the disagreement between Charles I and Parliament-- it was mainly because of the personality of Charles I. Charles Public execution ended it all. One of Charles most famous opponents in this war Oliver Cromwell --Signed the death warrant of Charl

The answer is d. spain.