Each question below has two blanks, which is indicating

Solution

The sentence describes the effect of Donald Trump's presence at a sporting event.

• Stirred means to rouse strong feelings or excitement in someone. Given that his presence caused a delay and was met with a mix of cheers and boos, "stirred" accurately describes the crowd's emotional response.
• The second blank describes the type of security that caused the delay. Heightened means made more intense or severe. This fits perfectly with the context of increased security protocols that led to the 30-minute delay.