Answer:
I believe it is sincere.
Explanation: process of elimination
It doesn't sound bleak or bitter and I'm pretty sure it's not matter-of-fact. I could be wrong.
After boots you should try put a period.
Answer:
1) Know the beliefs and attitudes of your audience to better communicate
Explanation:
In rhetorics, the speaker's or writer's goal is to affect their audience and get them to agree with their point of view. That's why it's extremely important for them to know their audience, including their beliefs and attitudes. In this case, the speaker/writer will try to make an ethical appeal (ethos) on the audience, trying to appeal to their social, religious, philosophical, ideological, and other values. There are two more types of appeal: logos (appeal to logic) and pathos (appeal to emotions).
