Why did the "reservationists'oppose Article 10 of the Treaty of Versailles? A. They did not believe that the United States should be involved in world politics. B. They objected to forming alliances between the United States and European nations. C. They feared that It could lead the United States into war without the consent of Congress. D. They did not believe that the United States was capable of defending European powers agains their enemies.

C. They feared that it could lead the United States into war without the consent of Congress.<br /><br />Article 10 of the Treaty of Versailles created the League of Nations and included a provision obligating members to defend each other against external aggression. Reservationists, led by Senator Henry Cabot Lodge, worried that this commitment would infringe upon Congress's constitutional power to declare war. They feared the U.S. could be drawn into European conflicts by the League without Congressional approval.<br />