Because it gets you attention and becomes very catchy. For example I am stuck on band-aid brand cause band-aids stuck on me. lol 
        
             
        
        
        
Answer:
A. To emphasize the importance of finding peace with the Indians and take pride in how long the agreement lasted
Explanation:
The most likely intent of the author to include the entire treaty deal the Pilgrims made with Squanto is to show how important peace was and to show how successful he was at brokering a treaty with the Indians and how long it lasted. 
 
        
             
        
        
        
Well, using my limited knowledge, "cleaving" means to chop, break in half, split, etc. Twain means twice. So, perhaps it's like "you've broke my heart in half", something along those lines? hopefully this helps you.
        
             
        
        
        
I believe the group of people was called the Anglo-Saxon. Hope this helps!