B. themes, geography has 5 themes, region, environmental, location, and two others
Answer:
The answer is D: to dissolve
Explanation:
Hope this helps!
(Brainliest is appreciated)
Cambodia and Vietnam are not island nations: they are not placed on islands, but on the Indochina Peninsula in Asia - so they can't be the correct answer
Indonesia is an island nation, but it's a presidential republic, not a monarchy.
The correct answer is Brunei
