The 17th parallel was the provisional military demarcation line between North and South Vietnam established by the Geneva Accords of 1954.
        
             
        
        
        
I think that these are the answers for your questions. 
3. B
4. B
        
             
        
        
        
Answer:
Your answer will be - The benefits of the best alternative option that are given up by a particular decision
Explanation:
 
        
             
        
        
        
Answer:
A because a sword and staff are symbols of power, and too much power can make the king corrupt.
 
        
                    
             
        
        
        
Answer:
1. god 2. four noble truth  7. Chandragupta Maurya 8. Christians 9. heredity
10. Shunga Empire 11. Hinduism 12. the Golden Age 13-15. Giving a great presentation at work, Beating sales targets, Training for and completing a marathon.
( I hope this helps u :)  
Explanation: