Wind is the agent of erosion that creates sand dunes. The wind blows grains of sand into a sheltered or otherwise secure location, allowing gradual accumulation.
        
             
        
        
        
Answer:
The former empire of Austria-Hungary was dissolved, and new nations were created from its land: Austria, Hungary, Czechoslovakia, and Yugoslavia. The Ottoman Turks had to give up much of their land in southwest Asia and the Middle East. In Europe, they retained only the country of Turkey.
Explanation:
 
        
                    
             
        
        
        
‘Do this’ is definitely an assertive phrase.