Answer:
He orders the bins in the store-shed to be filled with sand, hidden beneath a layer of grain and meal, and then shows them to Mr. Whymper.
Explanation: He wanted to fool him into thinking that the farm has plenty of food.
1 of them is that most people understand it
Basically win the fight but hold back until the money from the bet was at his highest stake.
Could you list the possible answers? Until then, I think a 'metaphor' would fit in there.