I believe it would be the british
        
                    
             
        
        
        
1884 – Mary Agnes Snively, the first Ontario nurse trained according to the principles of Florence Nightingale, assumes the position of Lady Superintendent of the Toronto General Hospital's School of Nursing.
 
        
                    
             
        
        
        
"They interact with each other" should be the answer.
        
                    
             
        
        
        
Marcus Garvey a controversial figure through a lifetime of events