Every country has its own migration and citizenship laws. I am no expert in this sphere and I have no position on the subject. Having read your postings I know that you personally are against my country in every point you discuss. You aren't the kind of person who will pose an honest or a fair question. The Hong Kong Chinese considered themselves British citizens but the UK considered most of them class B citizens and they weren't able to return to the UK when the colony became Chinese.
Brazilian head of UN peacekeeping force in Haiti dies of heart attack (Reuters)
from the article: No to evacuation