The promotion of New Zealand and Newfoundland to dominion status marked a pivotal moment in the evolution of governance within the British Empire. This transition, formalized in late September 1907, was part of a broader movement towards granting greater autonomy to British colonies. The 1907 Imperial Conference had laid the groundwork for this decision, as representatives from the colonies discussed their desires for increased self-governance while maintaining ties to the British Crown. New Zealand, having established a parliament and increasingly autonomous governance structure, was recognized for its progress, whereas Newfoundland’s status was also reflective of its unique position within the Empire.

The term 'dominion' was used to signify a level of self-governance that was above that of a colony but below full independence, allowing these regions to establish their own legislative bodies and manage domestic affairs, including local matters and trade policies. The shift was widely welcomed as a step towards nationhood, encouraging civic pride and legislative independence. However, it also set the stage for future political developments, including movements towards complete independence in subsequent decades.

This promotion had tangible repercussions in New Zealand and Newfoundland, fostering a sense of national identity and pride among the local populations. Additionally, it presaged future changes within the British Empire, as other colonies began to aspire for similar recognition and autonomy in the years leading up to and following World War I. The change in status did not eliminate ties to Britain; it rather redefined them, establishing a new framework for cooperation and governance that would shape the future of these dominions.