Answer:
Reservationists
Step-by-step explanation:
The reservationists were a group of Republicans who did not support the Treaty of Versailles, and were only willing to accept it if certain "reservations," or alterations, were adopted. This group was headed by Senator Henry Cabot Lodge. One of the reasons why this group was concerned was because they believed the language of Article 10 of the Treaty of Versailles contradicted the power of Congress to declare war.