The concept of legalism refers to a world-order approach that considers international law as the exclusive means to sustaining and promoting world order. Although the endproduct of its proponents has been a world government or world federalism, they however, acknowledging the difficulty involved in this process, have generally entertained the idea that world government may be created by first establishing a world confederal structure. Federalism and Confederalism, so the argument goes, would and should be achieved by uniting the world around a common global law. The correct option is A.