Answer:
St. Louis, Missouri, emerged as a commercial giant as a result of steamboat transportation along the Mississippi River in the years before the Civil War.
Explanation:
St. Louis is the second largest city in the state of Missouri, located on the Mississippi River on the border with Illinois. In its metropolitan area, it has 3 million inhabitants. The economy of St. Louis is characterized by service, production, trade, freight transport and tourism.  In the 19th and 20th centuries, St. Louis was an important trading center and the fifth largest deposit in the United States due to its location on the Mississippi River, as well as a railway connection area due to its location in the middle of the most important cities of the country.
 
        
             
        
        
        
The fur trade was a massive part of the reason why the French colonized North America. Hope this helps
        
             
        
        
        
The roman catholic and the eastern orthodox churches split due to people having different opinions (what they believed in) in other words the greek orthodox church was made to sever all ties,thus the reason the churches split.