This definitely has to do with the excrement of animal feces. It's poop that does this, caused by farming. 
        
             
        
        
        
Answer:
B. A PEACEFUL LABOR RALLY ENDED WITH A BOMB EXPLODING
 
        
             
        
        
        
<span>the emergence of the middle class</span>
        
             
        
        
        
The Suez canal is located in Egypt.
The Suez canal is  located in Egypt west of the Sinai Peninsula and connects Port Said  on the Mediterranean sea with the Port of Suez on the Red Sea.  It provides a direct root for transport of good between Europe and Asia.
The canal is 195 km (121 miles) long and 300 meters wide. It can accommodate large ships of up to  150,000 tons fully loaded. It takes only 15 hours on average for a ship to traverse the canal from start to end.
The British opposed its construction in late 1861. It was officially opened in November 17, 1869
        
                    
             
        
        
        
Answer: I believe its they both engaged in activism to end racial segregation.
Hope this helps