What steps did the US take to increase its role in the postwar world?

After World War II, the U.S. took several key steps to increase its role in the postwar world, including establishing the United Nations to promote international cooperation and peace. It also initiated the Marshall Plan to aid in the reconstruction of European economies, thereby fostering economic stability and reducing the influence of communism. Additionally, the U.S. formed strategic alliances, such as NATO, to counter Soviet expansion and promote collective security. These actions helped solidify America’s position as a global leader in the emerging Cold War era.