How do i get australia hungary achivement

[BOON: Pedro Pascal]

ive tried both in ww2 and in modern world the rest dont really have non of them am i doin smth wrong?

[senmors]

Acquire all territory of Austria Hungary and Australia. IF you aren't getting the achievement even after this. The achievement is likely bugged. Even though formable achievements are less likely to be bugged. The often bugged achievements are the province, vassal, and alliances achievements.

[BOON: Pedro Pascal]

aight thanks mans