BR 1-4: "The History of Money"

I read the book which name is “The history of money”. I read it, I understood some things.
I thought that the money is very important things; because I buy I want to need things for money. If I have not moneys, I cannot buy it. For I live the earth, I need the money.
I surprised that a long time years ago, people swapped one type of good for substitute money. We call it “barter”. For example I want to an apple, I exchange an orange.
I interested in the bill. I listened the secret of the bill from my senior. America’s twenty bills has secret. It break some shape, it raises the word “The Usama” and the shape of “The World trade Center”. When I listened this thing I was very surprised. I was so freeze. I wonder this things, because I want to more survey about it!

[150words]