After investigating U.S. involvement in international organizations, which of the following conclusions is best supported by the evidence? (1 point)
• The U.S. is actively involved, and holds a leadership position in, the world's major international organizations.
• The U.S. is resistant to participating in the world's major international organizations.
• The U.S. has maintained a policy of isolationism since World War Il.
• The U.S. was an active member of the Warsaw Pact.