All the king's men: the impact of the crown's Irish soldiers on the English civil war
In the second year of the English civil war both king and parliament sought and received substantial military assistance from outside the kingdom: Charles concluded a truce with the Irish rebels and began the importation of troops from Ireland; parliament negotiated the introduction of an army from Scotland. Historians of the period are agreed that these parallel steps had quite opposite results. While the Scots army is invariably viewed as a ‘big factor in turning the scales against the king’, Charles's importation of Irish soldiers is regarded as having an insignificant impact on his military situation and a disastrous effect upon his popular standing. Parliament's alliance with the Scots has therefore been acclaimed necessary and prudent, Charles's acquisition of Irish help a terrible blunder. Samuel R. Gardiner, in his classic history of the English civil war, singled out the king's importation of Irish troops to England as the act which did most to weaken his authority.