Impossible for anyone on this board to say for sure. Perhaps Google knows.

Seems like a viable small claims court case to me.

This appears to be a duplicate question. Please see the prior responses.

Context is important and you have not provided any information with which to give you an answer. So, for example, what type of case are you asking...

People make idle threats to sue all the time without any idea whatsoever what that means.

Fight the ticket although, as a general rule, you must keep an "assured clear distance" ahead to stop safely in the event someone slams on their...

No way for anyone here to know that. Call the court and ask or have an attorney do so on your behalf.

I have moved your question from financial services to criminal defense. Avvo puts these under the wrong heading when people mention bonds.

I have moved your question to the immigration section.

Unless you required medical attention you would not have damages sufficient to warrant any legal action.