Irish colonial wars helped bankrupt the English crown

Evidence

The suppression of the rebellions that followed (the major rebellions were led by Shane O’Neill in 1559, the Fitzgeralds of Desmond between the years 1568–83, and by O’Neill, the former earl of Tyrone, and O’Donnell from 1594–1603), required such extensive expenditures that at least one historian, R. D. Edwards, surmises that “the poverty of the crown, which was a serious factor in the seventeenth-century conflict with parliament, was at least in part due to commitments over Ireland.” — Cedric J. Robinson, Black Marxism_ The Making of the Black…, 249