Check with a Canadian immigration attorney. There are waivers that are avaialbe prior to travel.

I am US citizen, does my son who is a Green card holder, become a citizen automatically?

The green card is not invalid, however, you son should be a US citizen automatically if under the age of 18. The application for a certificate of...

Is there an advantage in Filing K3 visa after i1797 (i130 receipt) before i130 approval?

Currently the K-3 is not being adjudicated by the USCIS as the I-130 is being decided first. You may file it but is not worthwhile.

Does my son become a US citizen as I became a US citizen recently ?

Assuming all requirements have been met, you son is a US citizen automatically and an application for certificate of citizenship should be filed.

How do I help a Romanian that is currently in Amsterdam come to the US?

He will not be granted a temporary visa. If your plans include marriage and you are a US citizen consider travel to Amsterdam for marriage. If you...

Brief travel abroad before applying for citizenship

The requiremtn is you have residence. Temporary travel does not break residence, you do not have to be physically present for the 90 day period....

My husband received his citizenship and has moved out 3 times. he doesn't want me anymore can this be considered fraud ?

There is no indication in your question of a marriage that was for status only.

What to include in application for work authorization based on financial hardship with F1 visa?

This should be discussed with your Designated School official (DSO).

I'm a uk resident and I'm applying for a E2 visa when do I apply for a EIM number?

The taxpayer EIN should be applied for when eligible see the IRS instructions for EIN or contact your accountant or immigration attorney if unsure.

What should I do to get my work permit?

You can check processing times on the USCIS website. EAD's are taking 4 plus months