The answer is Not 100%, I chose it and got it wrong. I hope that helps a little.
 
        
                    
             
        
        
        
Most colonies lacked human labor, therefore, they used slaves to work on plantations in the new found colonies. 
        
                    
             
        
        
        
In 1942, Great Britain was at the head of the British Empire, the largest Empire in  known history.
At it's peak, the empire consisted of nearly 25% of the world's population, a large landmass, unmatched resources and hundreds of millions of subjects.
If the axis were able to control Great Britain, they would quite possibly have complete hegemony over the world.
        
             
        
        
        
Answer:
Battle of Gettysburg. Because, Pickett’s Charge was the culmination of the Battle of Gettysburg. Taking place on July 3, 1863.