Which is the smallest country in the world?
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Nauru
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Monaco
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Antigua
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Vatican City
D
Correct answer
Explanation
Vatican City is the smallest country in the world by both area (0.44 sq km) and population (around 800 people). It is an independent city-state enclaved within Rome, Italy. Nauru is the smallest island nation, but Vatican City is significantly smaller than all the options listed.