Ukraine, in the aftermath of the Cold War, emerged as the third-largest nuclear power ... in secret underground locations ...

China is the third largest country in the world and the most populated country on Earth. It is a one-party Communist state. China is changing rapidly and faces a number of political challenges.

The United States has been the world's largest and richest ... Italy Italy has a well-developed economy and is the third-largest in the European Union. The country is known for its strong and ...

China is the world's third largest country by area. One in every five people in the world (1.4 billion) live in China. Until overtaken by India in 2023, it was the most populated country on Earth.