What military successes or failure did oliver cromwell accomplish?

Oliver Cromwell achieved significant military successes during the English Civil War, most notably at the Battle of Naseby in 1645, which was a decisive victory for the Parliamentarians against the Royalists. He also played a crucial role in the formation and leadership of the New Model Army, known for its discipline and effectiveness. However, his later military campaigns, particularly in Ireland, were marked by controversy and brutality, leading to significant loss of life and long-lasting resentment. Overall, while Cromwell's military strategies were often successful, they also left a complex legacy of both achievement and devastation.