The coming of Islam to saharan Africa facilitated the rise of political empires encouraged trade and wealth increased the traffic in slavery in its pure form Islam was more attractive to kings because of its concept of the caliph combined political power with religious authority
        
             
        
        
        
answer is about once a year
 
        
             
        
        
        
On 18 June, the United States declared war on Great Britain, citing, in part, impressment. After the Napoleonic Wars impressment was ended in practice, though not officially abandoned as a policy. The last law was passed in 1835, in which the power to impress was reaffirmed.
        
             
        
        
        
Answer:
Austria-Hungary
Explanation:
The major Allied Powers were Britain, France, Russia, and the United States.