the invention of the compass, new ships, astrolabe, and maps.
 
        
             
        
        
        
I believe the answer is: 12 to 14
At the first time of giving birth, the pathways that would be passed by the baby during child birth is still haven't been stretched. Because of this, women typically need longer time during the first childbrth and things would comparably got easer for the next childbirth. (It's still extremely painful, but not as much as the first one)
 
        
                    
             
        
        
        
Answer:
Push and pull factors of migration are driven by the push of conflict, extreme hardship, war, lack of economic opportunities, etc. combined with the pull of more jobs, the promise of a better life, freedom to practice one’s religion, etc
Explanation:
 
        
             
        
        
        
Answer:veto
Explanation:
The president can just veto the law and doesn't have to use it.