Answer:
In English, our sentences usually operate using a similar pattern: subject, verb, then object. The nice part about this type of structure is that it lets your reader easily know who is doing the action and what the outcome of the action is. A subject performs the action in a sentence
Answer:
I can't understand the question
Stockpiled is the past participle.
In the chapter 36 Huck and Tom try to set free Jim, who was imprisoned, they start digging with their case knives, Huck suggest to use a pick and a shovel, and after a while Tom agrees due to they have no success with the knives, however Tom only accepts if they pretend that the pick and the shovel are case knives. This shows that Huck is more mature and shows again Tom impracticality and self-indulgent.