A brief history of money: key

KEY

1.    Who is James going to see?
A CURATOR AT THE BRITISH MUSEUM
2.    What is Irving Finkel showing James?
A PIECE OF CLAY.
3.    How were workmen paid, according to the document from question 2?
IN A QUANTITY OF BARLEY.
4.    What goods have been used as currency, according to the documentary?
BARLEY, GOLD, SILVER, COWRY SHELLS, ETC.
5.    What were people happy to use in exchange for other goods 2.500 years ago?
IRON
6.    When does the early coin which James is showing us date back to?
7th CENTURY B.C.
7.    What were these early coins made of?
GOLD, SILVER OR ELECTRUM (A MIXTURE OF BOTH).
8.    What did coins become useful for?
FOR SPREADING MESSAGES.
9.    Why did historical leaders have their faces put on coins?
TO PUBLICIZE HOW POWERFUL THEY WERE / TO PUBLICIZE THEIR POWER.
10.    What does Catherine Eagleton use to make a coin?
A LOG, A HAMMER, A DIE AND A PIECE OF METAL.
11.    Why did people start using paper money?
BECAUSE COINS WERE MORE DIFFICULT TO MOVE AROUND: THEY WERE RISKY, MORE DANGEROUS, INCONVENIENT.
12.    What is required for something to be used as money?
IT IS REQUIRED FOR SOMEBODY TO TRUST IT IS WORTH A CERTAIN AMOUN