The answer to this would be the Commerce Clause. Hope this helps! :)
        
             
        
        
        
They located in an area that traders could reach in a single season.
        
             
        
        
        
Anti-Federalists argued that the Constitution gave too much power to the federal government, while taking too much power away from state and local governments. Many felt that the federal government would be too far removed to represent the average citizen.
        
             
        
        
        
He learned of African gold when he served as a soldier.
        
                    
             
        
        
        
<span>US gained territory in the Pacific Ocean.
The Spanish-American War is the beginning of the imperial era in US history gaining their first territories from the war. 
The US gained Puerto Rico, Guam, and the Philippines from the Spanish-American War and soon after completed the annexation of Hawaii. With colonies in the Pacific and trade connections growing in Asia, the US needed a quick way to move resources and ships from the East coast to these new areas. The canal through Panama made the naval commute shorter and faster as well as safer.</span><span />