<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>
        
                    
             
        
        
        
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well many people  thought the us should not enter the war  because the us  had a lot of problems during that period. hope this helps let me know if im wrong
 
        
             
        
        
        
Answer:
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Significant changes enacted at the national levels included the imposition of an income tax with the Sixteenth Amendment, direct election of Senators with the Seventeenth Amendment, Prohibition with the Eighteenth Amendment, election reforms to stop corruption and fraud, and women's suffrage through the Nineteenth century
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<span>The idea basically said about life liberty and property, and challenging authority. The taxes on the colonists didn't follow these ideas. Therefore justifying the colonist's unhappiness</span>
        
             
        
        
        
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southern states economys were almost totally dependent on slavery while border states had some industrialization 
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