The narrowest definition of the money supply includes:
answer choices :
a. stocks and bonds.
b. currency in circulation, checkable bank deposits, and traveler's checks.
c. mortgages and insurance policies.
d. currency in bank vaults.

The narrowest definition of the money supply includes b. currency in circulation, checkable bank deposits, and traveler's checks.

Explanation:

The money supply -or money stock- can be defined, in the simplest way, as the entire stock of currency and other liquid instruments available in an economy at a given time. Therefore, the money supply includes coins and cash, as well as other "liquid instruments" or money substitutes like bank deposits and travaler's checks.

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.