The sentence given with a blank is to be filled with

Solution

The sentence talks about a military concert that was aimed at uplifting or enlivening the soldiers’ spirits . Therefore, the correct word must capture the idea of emotionally energizing or encouraging the soldiers. 1.      Exclude – means to leave out or deny access. Completely opposite of the intended uplifting tone. 2.      Promise – refers to an assurance or commitment, which doesn’t logically relate to enlivening spirits. 3.      Discrete – means separate or distinct, not a verb or relevant in context. 4.      Inspirit – means to encourage or enliven , which perfectly matches the context of boosting morale . 5.      Fortify – while it means to strengthen (physically or emotionally), it’s not as precise as "inspirit" , which focuses specifically on emotional encouragement . Still a close distractor, but not the best fit.