Answer:
step 4 answer The Mongols were too focused on conquest and not on governing. The empire was also too diverse, the land was too vast and the empire had weak rulers and political instability. The Black death also wiped out a majority of the population.  
step 2 what steps did you take to expand the mongol empire? In deference to the learning and customs of the population under his control, Kublai surrounded himself with Chinese advisers and established a new northern capital called Shangdu. No mere bureaucrat, Kublai also helped his brother expand the empire with successful military campaigns of his own.
step 2 Kublai Khan was the fifth emperor (reigned 1260–94) of the Yuan (Mongol) dynasty (1206–1368). He conquered China in 1279, becoming the first Yuan ruler of all of China. He was partially responsible for the development of “dual principle” political theory. As ruler, he made paper money the sole medium of exchange.
Explanation:
 
        
             
        
        
        
The Great Depression was a global economic crisis that may have been triggered by political decisions including war reparations post-World War I, protectionism such as the imposition of congressional tariffs on European goods or by speculation that caused the Stock Market Collapse of 1929
 
        
                    
             
        
        
        
That would be a direct democracy. All adult male citizens attending the assembly could vote on the issues proposed at the time.
        
                    
             
        
        
        
The correct answer is D. 
The Washington Disarmament Conference was a military conference organized by US President Harding in 1921. It was called outside the mechanisms of the League of Nations, and nine nations were invited to participate: US, China, Japan, Britain, France, Italy, Belgium, Portugal and Netherlands. Russia and Germany were not invited. 
<u>For the first time in history, the purpouse of the meeting was to establish a limitation on weapons' production. </u>