C. A series of unexplained fires and earthquakes was the cause
        
             
        
        
        
Sweatshops were factories that treated the workers unfairly which could consist of low wages, poor environment, and possibly working long hours.
        
             
        
        
        
The political movement that emphasized conservation at the turn of the century was the progressive movement.  The movement refer to an ide where the Government would focus more attention at the development of science and technology