Red Square (Russian: Кра́сная пло́щадь, tr. Krásnaya plóshchaď, IPA: [ˈkrasnəjə ˈploɕːətʲ]) is a city square in Moscow, Russia. It separates the Kremlin, the former royal citadel and now the official residence of the President of Russia, from a historic merchant quarter known as Kitai-gorod.
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
<u><em>Studying The Economics Is called "geography"</em></u>
<u><em>Geo Means Earth And Graphy means Study.</em></u>
<u><em>It means to </em></u><span><u><em>Understand the discipline
In short,Your answer will be
C)International economics
</em></u></span><u><em>Wish You a happy time!</em></u>