Nusantara

Why the hell is this not a country?

...

Too many islands

There are barely any Austronesians in that dot of Vietnam through. You should check the Central Highland, that's where all non-Chams Austronesians live.

1. Differences in Religion
2. Differences in languages and dialects

The true question is, why the hell is that region comprised of less than 20 countries?

They should be one country and move together to fight back against china.

different colonial overlords

Maybe because of us?

Just be one nobody can distinguish difference

Because of
>Spaniards
>Dutch
>Brits

Although Frech also grouped us together with Laos and Cambodia, and all three still broke out to become independent right after.