The unit used to express volume is the cubic meter. This is the SI unit for the volume of a solid, gas or liquid. Volume is also expressed in units like liter, gallon, quart, pint, fluid ounce and cup.
 
        
             
        
        
        
Alfred Thayer Mahan was a United States naval officer, historian, and one of the most influential American authors of the nineteenth century. 
He argued that modern navies needed repair and coaling stations, which would not be dependable if controlled by other nations. This reasoning implied a justification for American acquisition of colonies to develop port facilities throughout the world.
 
        
             
        
        
        
Yes, every country still needs a government. People are like sheep walking around with out a leader or authority. If the government were to disappear, the worlds citizens would go into a Chaotic downfall. Crime rates would sky rocket up. And the economy would fail. Too many people around the world rely on their governments for assistance like unemployment checks and protection from foreign threat.
        
             
        
        
        
Boat races among the three continents