Please respond to the following: "Terrorism in Northern Ireland"

Per the text, by 1962, the Irish Republican Army (IRA) had all but ceased operating. In 1969, a Catholic civil rights movement had engulfed Northern Ireland when Catholics demanded the same rights as Protestants. The Northern Ireland government reacted to the movement with aggressive and repressive actions. When the situation escalated with violence, the British Army was sent in. Choose an action taken by the British Army that you believe contributed to the resurgence of the IRA. Provide a rationale for your response.