Canada did/does this sometimes. It is part of the reason that Vancouver is nicknamed "Hongcouver" - lots of rich Hong Kong residents got worried over the hando

Canada did/does this sometimes. It is part of the reason that Vancouver is nicknamed "Hongcouver" - lots of rich Hong Kong residents got worried over the handover from the British to China, and bought themselves a guarantee of being able to live in Canada, should something bad happen.