*lots of points* what might have happened if president truman had not dropped the atomic bomb on japan. ( use supporting details)

Look at battle of Okinawa.  

Many 

Fought to the death, surrendering was seen as dishonorable.  

Many Americans would have been killed. 
Many Japanese civilians would have picked up arms also.   

Russia might have helped us invade Japan.    
Japan might have been split like Korea did.