Why did Parliament win the First English Civil War?

• Their ability to find an independent source of income for a prolonged war
• Their ability to modernise the methods of raising revenue and troops
• Their ability to reorganise their military efforts and retain a discipline fighting force
• Their ability to capitalise on their military success
• Their ability to secure an alliance which bought practical benefits
• Pym’s ability to unite the factions in his side
• Pym’s ability to negotiate the political crises of 1643
• Their ability to be flexible and adapt