The exposition introduces the reader to the developing tension in the narrative.
the problem or conflict the main character faces.
the manner in which the conflict is resolved.
the events that break the tension.

the problem or conflict the main character faces. this should be your answer

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.