The answer should be 12 million. 
Hope this Helps! :)
        
             
        
        
        
Because Santa anna was untrustworthy and because that was a lot of ground to cover and he wasn't sure if it would be good for America 
        
                    
             
        
        
        
he used his rifle as a club and his knife to do it
 
        
             
        
        
        
The <span>Emancipation Proclamation ended slavery and set all slaves free.
It was signed on September 22nd, which was soon after the Union's victory against the Confederates in the Battle of </span><span>Antietam.
It was this victory that prompted President Lincoln to pass the </span>Emancipation Proclamation.
So the answer is A. S<span>eeing the Union’s effectiveness at the Battle of Antietam.</span>