Euthenasia is not legal period.
Yes, by law since 1 April 2002
No, marrying a US citizen or a permanent resident does not grant the illegal immigrant legal status regardless of whether there is a child involved or not.
check with INS
Doubtful. Relationships do not change immigration status.
YES
What, specifically, are you trying to find out? More info please - then re-submit.
No, plenty of people come to US "legally", and they are "legal" as long as their status is legal. Currently, illegal immigrants who came to the US without inspection - border jumpers, has no way to adjust their status to a legal one. Others who overstayed, etc, could possibly adjust their status under different classes.
No.
American citizen by birthright
"My husband is an immagrant and i am a us citizen and we have been married for 2 years and have been toghether for three years how can i help him with his legal status in the US?"
You must immediately apply for a permanent resident status.