Australia, New Zealand, and PNG should join to form an Oceanic Union. While culturally they are diverse they all share common goals on the global stage. While defense is not a primary reason for joining together in this day and age, financial and resource driven unity can provide a stable economical future for the region and ensure that the people of that region have a stronger voice on the world stage.
I am not well knowledged in the aspects of these countries, or what is going on with them right now, but I believe if it would benefit everyone involved, including the citizens, it would be something they should consider. As long as they can do it peacefully and everyone can get along.
These three countries share so much in common. In many ways Australian and New Zealand citizens are already one and the same under the law. Let's get Christchurch rebuilt. Let's help alleviate poverty in PNG. Let's have real solidarity. Let's reduce borders. Let's show the world how it can be done!
Fiji, PNG and New Zealand were some colonies part of the federation talks in forming Australia, it would be better beneficial if they join the Australian Federation and become states within the Australian Commonwealth like they were going to do. Creating a union will lead to the same problems like the EU has
It's already an amazing country, no changes are needed because it is fully functioning and it has no major problems that need to be solved. If these countries combine, it can lead to other major problems within the nation. DONT CHANGE WHAT IS NOT BROKEN, BECUASE IT USUALLLY ENDS IN DISASTER