C: F<span>oreign workers could not travel to the U.S. to work at the expense of factory owners.</span>
        
             
        
        
        
In the mid-20th century, researchers dredging the seafloor could not find any materials older than <span>180 million years old.
-Hope this helps.
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The Louisiana Purchase was a land purchase made by United States president Thomas Jefferson in 1803. ... Thomas Jefferson approved the deal and used his constitutional power to sign treaties to buy the land. Napoleon Bonaparte sold the land because he needed money for the Great French War.
 
        
                    
             
        
        
        
Answer:
Republic
Explanation:
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