Louis XVI was the last king of France. When the pressure mounted he reverted  back to his earlier teaching of being strict and uncommunicative , posing no solution to the problem and not responding to others who offered to help. 
The word that best characterizes Louis XVI is incompetent.
        
             
        
        
        
Stalin's unfulfilled guarantee of free decisions. Relations between the Soviet Union and the United States were driven by a perplexing transaction of ideological, political, and financial components, which prompted moves between careful collaboration and regularly astringent superpower competition throughout the years.
        
             
        
        
        
Answer:
Because of Trade and Technology
Explanation:
You have no power politically if you have no influence. It's like trying to keep the law without the police. America created the first submarines, iron-clad ships, and had a powerful navy before but they had to take it apart since they ran out of money. They were very powerful in the 20th century and became a world super power because of trade with the Allies in the first world war. Using the money, they improved the military and technology. That is why the USA has so much influence.
 
        
             
        
        
        
OREGON TERRITORY FROM THE BRITISH. LOUSIANA PURCHASE FROM THE FRENCH.