Answer:
feared it would abuse power like the british had  
Explanation:
 
        
             
        
        
        
Answer:
relationship between blood flow and the heart rhythm and helped them discover how the heart works
Explanation:
its in the question 
 
        
                    
             
        
        
        
Answer:
True
Explanation:
 The president (Executive) is responsible for implementing and enforcing laws made by the Legislative branch. 
 
        
             
        
        
        
The answer is C.
After the assassination Austro-Hungary sent an ultimatum to Serbia to investigate the assassination in Serbia, but Serbia declined the ultimatum, so Austro-Hungary declared war to Serbia. Then Russia declared war to Austro-Hungary and Germany declared war to Russia. Then the Ottoman Empire joined Germany and Austro-Hungary and they created an alliance and some other countries joined as well. After that, Great Britain, Russia and France created an alliance as well, and some other countries also joined their alliance. That's a short summary of how the WW1 started.