NOUN 
an official pardon for people who have been convicted of political offenses.
VERB 
grant an official pardon to.
You can also give me your answers that you have below so that I could help you choose the best one, your very welcome, 404~
        
             
        
        
        
It would be the Tokugawa Dynasty or Tokugawa shogunate.
        
             
        
        
        
The imaginary line of secrecy and mistrust is called the iron curtain.
        
             
        
        
        
I think that was the imperceptible
        
                    
             
        
        
        
About one fourth of them were