Prices effectively act as signals to producers and consumers in all of the following instances except A. Regulating government interactions..
        
             
        
        
        
That last two and prolly the second one
        
             
        
        
        
Industrialized nations have numerous societal and economic advantages that are not available to underdeveloped nations. Most industrialized nations have the most current technology, highly educated healthcare professionals, routine exposure to prenatal care, and the presence of a healthcare worker at birth to handle any complications. Citizens of industrialized nations also are comparatively more financially equipped to utilize these resources. Finally, both mothers and healthcare professionals have regular access to education that allows for a successful birth.
 
        
                    
             
        
        
        
The first Europeans to purchase furs from Indians were French and English fishermen who, during the 1500s, fished off the coast of northeastern Canada and occasionally traded with the Indians. In exchange, the Indians received European-manufactured goods such as guns, metal cooking utensils, and cloth.