After violence has been stopped in conflicts the international community has attempted to build durable peace in the conflict regions. Previous research focused on the success of and the criticism...Show moreAfter violence has been stopped in conflicts the international community has attempted to build durable peace in the conflict regions. Previous research focused on the success of and the criticism on UN-led peacebuilding while not considering unilateral peacebuilding in detail. This thesis hypothesizes that peacebuilding by the US before the rise of the UN is more successful than unilateral peacebuilding thereafter. Furthermore, a US peacebuilding mission before the rise of the UN will be more expansive with regard to the instruments used than a mission after the rise of the UN. 15 cases that took place before and after the rise of the UN confirm that US peacebuilding efforts were indeed more successful before the rise of the UN. These cases reveal that peacebuilding not necessarily became less expansive after the rise of the UN but that the nature of peacebuilding shifted towards democratization and financial aid, for instance.Show less