<span>Queen Elizabeth is attempting to persuade troops that she may be weak in body and a queen but she has the strength and mind comparable to soldiers. Even if she is absent in the battle, she would continue to support her soldiers and shield her country from enemies.</span>
        
                    
             
        
        
        
Answer: 
<em>C. the nation, and since then,</em>
Exclamation: If you're joining two sentences together you need a comma to do so. By placing a comma after "nation" and "then" you are making a run-on sentence.
 
        
                    
             
        
        
        
Monet is a famous painter, and "Impression: Sunrise" is a paining: you can see it in the attachment. It was created around 1872-1874.