Serfs worked land owned by the king
Knights served large landholders by defending their lands
A serf would work the land, a knight would protect it, a vassal would govern it, and the lord would reap the benefits.
Feudalism means the nobility would hold lands for people in exchange for service or military service.
        
                    
             
        
        
        
Answer: I think the answer will be the second picture.
Hopefully someone in the comments will explain if this is correct or not because I can’t explain my reasoning right now. It just seemed like you needed help so I quickly answered. 
 
        
             
        
        
        
Answer: (late) but Quakers were people, who practice pacifism, played a key role in both the abolitionist and women's rights movements. Thus, changing what people's views with arguably radical ideas