___________________________ is a nuclear weapon capable of hitting reinforced concrete bunkers as ...

___________________________ is a nuclear weapon capable of hitting reinforced concrete bunkers as deep as 40 feet underground.
 
  Fill in the blank with correct word

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The ________________________ commits each country to reduce nuclear warheads to between 1,700 and 2,200 by the end of 2012.
 
  Fill in the blank with correct word

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Weapons that are composed of living microorganisms and toxins that are capable of causing fatal diseases such as smallpox, plague, and hermorrhagic fever are called _______________.
 
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The _________________________ is often viewed as the beginning of serious global cooperation on the environment.
 
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The treaty that recognizes state rights over territorial coastal waters is known as the ____________________.
 
  Fill in the blank with correct word