Insane-
if the election was over, he would be doing meaningless work
Answer:
The uncertain nature of human relations
Explanation:
You build walls whether you know it or not. We are instilled with the idea that we must protect ourselves in certain situations. We actually pass these "walls" onto our kids and even our students.
In "The Sound of Silence," the speaker feels he has an important message to deliver to the people entrenched in materialism, but they are too busy worshiping "the neon god" of culture to care. The speaker's tone can therefore be described as solemn and disappointed.
Hope this helps!