By all the same arguments that you could invoke to justify British colonization in the first place, assuming you’re not going for bullshit like “god gave our King that holy right”.
No one should colonise anything. But the difference between Argentina and The United Kingdom of Great Britain and Northern Ireland (God save the King) is as vast as, well, the distance between London and any point in South America
You’ve still not explained why Argentina should be allowed to colonise it and Britain shouldnt.
By all the same arguments that you could invoke to justify British colonization in the first place, assuming you’re not going for bullshit like “god gave our King that holy right”.
No one should colonise anything. But the difference between Argentina and The United Kingdom of Great Britain and Northern Ireland (God save the King) is as vast as, well, the distance between London and any point in South America