We don't have bilateral work agreements with Canada. Americans and Canadians still need visas to live and work in the other country. Depending on the deal, UK/E

We don't have bilateral work agreements with Canada. Americans and Canadians still need visas to live and work in the other country. Depending on the deal, UK/EU citizens may lose the ability to work in the others' area. Interestingly enough, Australia and New Zealand have a bilateral work agreement, allowing citizens of either country to be instant residents of the other State upon arrival.