What Vietnamese word does this definition belong to "A group of people who protect a country"

What Vietnamese word does this definition belong to "a nation's use of military, economic and political power to maintain survival"

What is a cyberattack?

What does NATO stand for?

What is the primary role of a nation’s air force? A) Conduct operations at sea B) Provide ground support C) Maintain air superiority D) Protect financial systems

Which type of weapon is designed to cause mass destruction and is often the focus of international treaties? A) Biological Weapons B) Nuclear Weapons C) Chemical Weapons D) All of the above

Which branch of the military is primarily responsible for protecting a country’s waters?

What does the word "Unite Nation" mean in Vietnamese?

Who are they?