 Complete the following phrase:  By and large, the new operations were successful. In El Salvador and Mozambique, for example, peacekeeping provided ways to achieve self-sustaining peace. Some efforts failed, perhaps as the result of an overly optimistic assessment of what UN peacekeeping could accomplish. While complex missions in Cambodia and Mozambique were ongoing, the Security Council dispatched peacekeepers to conflict zones like Somalia, where neither ceasefires nor the consent of all the parties in conflict had been secured. These operations did not have the manpower, nor were they supported by the required political will, to implement their mandates. The failuresmost notably the 1994 Rwandan genocide and the 