Answer:
B. The mechanical reaper! A+C helped westward expansion..
Explanation:
 
        
             
        
        
        
<span>Leonardo da Vinci is the Renaissance man responsible for the ornithopter. The ornithopter is a type of aircraft whose wings flap, causing it to fly. This format mimics the natural motion of animals that fly (like bats and birds). </span>
        
                    
             
        
        
        
Answer:
in pretty sure they spoke the same language but im like 80% on it i looled it up to make sure and it said they told them