They had to stay on topic. if they strayed to far people might not understand them. AND the entire goal of the Declaration of Independence was to bring the countries together so they understand.
Empathy is important when giving humor because you have to also feel what that other person is feeling and how they’re going to take your joke. If you were upset and you started joking on someone that might tear them down even more. You have to know when it’s time to be serious and not to be.
I’m not sure if that’s the answer, I just wanted to try and help.
The first one has the correct capitilization.