In January 1649, King Charles I was executed after being charged with high treason due to political and religious reasons, some of which contributed to his refusal in accepting the peace settlements given to him by Parliament. Charles’ refusal to compromise was supported by the division that had emerged within Parliament on how to fight the civil war between the Political Presbyterians and Political Independents. The main factors of the failure to reach a settlement were religion, politics, Charles’ intransigence, the New Model Army and the emergence of radical ideas; all of which eventually concluded to Charles’ execution.
One of the main reasons why Charles and Parliament failed to reach a settlement was due to religion, especially with the division between the Political Presbyterians and Political Independents. The differences between the two were that Political Presbyterians favoured a negotiated peace with Charles and did not approve of the New Model Army, and were also drawn more closely to the Presbyterian Scots whereas the Political Independents were in favour of a more considerable measure of religious toleration and disliked the authoritarianism of Scottish Presbyterianism. This division throughout Parliament meant that they had failed to reach a settlement negotiating peace terms that was to be decided upon them. In July 1646, the Political Presbyterians had presented Charles with the Newcastle Propositions as their plan for settlement which consisted of severe terms such as Charles was to accept Presbyterianism for three years in England, Parliament was to have control of the militia for 20 years, and the Triennial Act was not to be abolished and to have regular parliaments. Charles rejected these terms of the Newcastle Propositions and instead offered counter-proposals suggesting that the