For decades, the United States stood at the center of the post-war international order. Now, as a more multipolar world takes shape, America faces a defining choice about its role in the future.

Competition or cooperation. Intervention or restraint. Renewal or decline. The decisions Washington makes today will extend far beyond its own borders, shaping not only America's future, but also the direction of the international order.

As the United States marks its 250th anniversary, what's next for the country, and the world?