The video considers giving subordinate powers independent treaty status as their naval roles grew. From an American perspective, separate allocations could continue the diplomatic separation achieved by ending the Anglo-Japanese alliance. Yet rules requiring self-support and banning purchases from other signatories would further damage British yards and make the scenario diverge too sharply from history, so the option is set aside.
Notable Point · 33:24-35:26
Why separate Dominion quotas were rejected
Recognizing Dominion navies separately might divide British maritime power, but restrictions on buying British ships would make the change too disruptive.