Notice the prefix "De" and the root word "constructing" in this word. These two words put together means to break apart something to learn more. In your case, this means to break apart the purpose of this holiday so you can understand the true meaning of it. Do you understand?
The radio I believe since there wasn't really TV
Explanation:
D
The merchant begins with 126 pebbles on the right side of the counting board. 31 pebbles are moved to the left side from the right side. The total number of pebbles remaining on the right side is the number of bottles she will have in her inventory if she makes the sale.