England 
Explanation:
It was named after the Duke Of York 
 
        
                    
             
        
        
        
The name that was given to Navajo soldiers used to send secret messages and battle plans for the U.S was C.) code talkers 
 
        
             
        
        
        
The most resistant rock types include sandstone, conglomerate, quartzite, basalt, chert, limestone, lava flows and sills. Lava flows and sills, in particular, are very resistant to weathering and erosion, and often form the flat top, or caprock, of a mesa.