Not sure of the answers but i think its (When examining primary sources).
        
                    
             
        
        
        
Answer:
Explanation:
Einstein had written to inform Roosevelt that recent research on fission chain reactions utilizing uranium made it probable that large amounts of power could be produced by a chain reaction and that, by harnessing this power, the construction of "extremely powerful bombs" was conceivable.
 
        
                    
             
        
        
        
Answer:
Crowds and social movements are organized with a common goal, and may even be led by a leader, whereas fads and fashions have neither a common goal nor a leader.
Explanation:
brainly.com/question/10239674
Hope this helps.
 
        
             
        
        
        
Answer:
I've never heard of this, but, um, sure.
Explanation:
I don't think anyone should be charged for acting in self-defense. That's the only reason why the word "self-defense" exists, so it's our explanation for why we did something to a person physically after they did something first.