Answer:
 it makes it difficult to pump the oil through the oil rigs.
 
        
             
        
        
        
Answer:
d. individual prisons exceeded 100 percent intended capacity.
Explanation:
In the 2011 case of Brown v. Plata , the Supreme Court ordered California to release prisoners if individual prisons exceeded 100 percent intended capacity.
The Supreme Court made the order to the state of California to release prisoners if they could not provide a constitutionally mandated level of prison holding numbers. 
 
        
             
        
        
        
Answer:
music makes us happy is an answer
Explanation:
 
        
             
        
        
        
An alliance is an agreement made by two or more parties to secure common goals and to defend the other party in case of war. They were formed to prevent war and to maintain a balance of power. But one event could lead up to a huge conflict.
The alliances are the main reason behind World War 1 because they turned what was meant to be a brief war between accuser and accused into a world war. How the alliances turned a brief war into a world war is a classic case of one thing led to another.