The mode of communication that would best serve the new student's goal of running for class president would be a speech. Here's why:
1. **Visibility and Connection:** In a speech, the new student can physically present himself in front of the audience, allowing them to see what he looks like and get a sense of his personality. This direct interaction can help establish a personal connection with the audience, which is crucial for winning their support.
2. **Expressing Ideas:** Through a speech, the student can effectively communicate his ideas on how he could improve the school. He can outline his plans, share his vision, and explain why he is the best candidate for the role. This platform allows for a comprehensive and persuasive presentation of his goals and strategies.
3. **Engagement and Impact:** A speech has the power to engage the audience emotionally and intellectually. The student can use his tone of voice, body language, and rhetorical skills to inspire, motivate, and convince the listeners. This direct engagement can have a significant impact on how his message is received and remembered by the audience.
In conclusion, a speech would be the most suitable mode of communication for the new student running for class president as it allows for personal connection, effective expression of ideas, and impactful engagement with the audience.