Fíjate que cuando cita a los dominios habla de forma general. Sin embargo en el manual v 2.0:
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Only the USA and Great Britain can reach 101% CP and make certain colonies the same as 'national territory' (States for the USA and Dominions for Great Britain).
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Dominions
With
Dominion status in the British Empire (see “Colony Population Growth,” below), the overseas territory will start to gain rights on its own. So don’t be surprised by spontaneous initiatives, generally positive, triggered in Dominions, like the drafting of some forces by the local Governor or the creation of a new economic structure.
En esas regiones tienes tropas tuyas? ¿están bien suministradas? ¿hay rebeldes?