Paper money first appeared in China more than a thousand years ago. Merchants w traveled lo distances fo it diff to ca heavy ba of me coins, s they le them wi trusted dealers. In return, they received written receipts that could be exchanged for coins later. Over time, the government took control of this system and started printing official notes. The idea eventually spread to other parts of the world and changed the way people traded.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.