I believe it’s to bring oxygen into the body and to remove carbon dioxide from the body
        
                    
             
        
        
        
Exercise taxes are custom, but sales taxes are required.
 
        
                    
             
        
        
        
Answer: There are 17 autonomous communities and two autonomous cities that are collectively known as "autonomies".
 
        
                    
             
        
        
        
Because the south depended on slavery for their economy and the north was more industrialized so they had no need for slaves so they saw slavery as something bad