I really have no intention of allowing you to turn this into a discussion of Ireland
Then why did you raise the issue?
-it was ruled from Westminster
Like every other part of Britain, and like every other part it sent its own representatives to Westminster.
that WWI was a major factor in bringing the Kaiser's colonialism to an end,
Yes, ending abuses such as those mentioned in the OP.
It treated the parts of Belgium and France it occupied as colonies, rounding up thousands and shipping them to Germany as slave labour.