Sorry to disagree with you here, but Argentina did not colonise the islands.
This is interesting:
fleet street fox: Dear Argentina...
And what about the islanders rights to self determination?
I found this quote on a Palenstinian website on that very subject.
"There is a recognised right to self-determination in international law..... It is clearly illegal under international law to deprive a people of their right to self-determination by using forcible actions including use of violence."