Because they would work for very cheap
        
             
        
        
        
As Alexander's empire expanded, the Greek culture spread and merged with other cultures. In the lands he conquered after the battles, he treated his enemies with respect and honor and taught them Greek culture and ideas.  hope this helps
 
        
             
        
        
        
Answer:
One of them is the Syrian Civil War spillover in Lebanon (2011–2017) in Lebanon