No, the Canadian has to be married to the American in order to live or work in America. Because you have to be married to an American to get a green card in order to do that.
yes you can, plenty of people do that especially at the border.
With the appropriate permits, yes.
yes
You would need the appropriate work visa from the Indian government.
Where are you a citizen? If you are a Canadian citizen you must have a Canadian passport for entry into the US. If you are a citizen of Trinidad, you must have government approval from the government travel authority of Trinidad to enter the US, which means you would need to go back to Trinidad before traveling.
That is unclear, what has your daughter being a Canadian got to do with Australians
the Canadian has to be married to the American
A US Citizen would need a work permit to live and work permanently in the UK.
Many certainly do. For example, employees from Scotiabank, a Canadian bank working in Mexico.
She would need a UK work visa.
Every permanent citizen has the right to bear arms, which is why America is such a great place... To get shot..