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By measuring the distance of the sun and stars above the horizon, the astrolabe helped determine latitude, an important tool in navigation. Another tool, the magnetic compass, which had been invented in the twelfth century, was improved upon during the Renaissance.
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Answer:
The face of the American electorate changed dramatically after the ratification of the 19th Amendment in 1920. Having worked collectively to win the vote, more women than ever were now empowered to pursue a broad range of political interests as voters. 
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Answer:
Understand the past, people and societies.
 
        
             
        
        
        
It undermined Republican election efforts