Yes, definitely. You do not need to be a US citizen to bring a lawsuit in the US court system.
Yes
No- that is considered bigamy.
Yes, if they get a marriage license.
yes
A US citizen can remain in the UK for 6 months on a tourist visa, however not allowed to work.
Any British citizen can enter the US on the Visa waiver program for 3 months as a tourist only--working is not allowed.
tourist
3 months on a tourist visa
Yes, unless you are already a US citizen you will need an immigrant visa that permits you to work, not a tourist visa.
The US Sued did win.
well da
Yes