How do I obtain Canadian citizenship for my son?

You have posted this to the US immigration forum.

How to proceed With a working permission?

A tourist visa does not allow you to work or to apply for authorization to work.

Do you know if USCIS has announced that the cap for 2016 on U visas have been reached?

Yes they were released on October 1, 2015.

I have a wife and a 4 month old child, do I qualify for a green card through the marriage of my wife?

DACA will not help you with your efforts unless you have not yet reached 18 in which case you will not have illegal presence. Otherwise you will...

Hello , I am planning to apply for citizenship under 5 years rule , but i havent paid the rent of my apartment like twice ,

By itself this should not affect your application.

Yes, complete that question with the job you have had for the past nine years.

Can I get married to a person in prison?

Please contact a family lawyer near you to discuss this. Marriage is a state law issue not immigration.

Does he have the chance for bond again?. Do you think he will be deported or be able to get second chance to stay in the U.S

It is highly probable efforts will be made to deport him. He should meet with an immigration attorney ASAP.

Does parents can cancel their 25 old daughter green card!

Issuance and cancellation of a green card are the province of immigration.

If you register to vote you are stating you are a US citizen which is a deportable offense.