ICFES Test - Incomplete text

Money has been part of the human history for the last 3,000 years. (1)_______ it, people had to change their things for food or jewerly in return.

(2) _____, it was not easy because they needed....

(3) ______ useful enough to offer;

if they had wood and needed salt, they had to find someone (4) ________ wanted wood and this white substance.

In 600 B.C., Croesus, the last king of Lydia, introduced the first money system: round pieces (5) ________ from gold.

This system helped the country improve (6)_________its internal and external business, becoming one of the richest places in Asia Minor.

In 550 B.C., the Chinese started (7) _____ _ paper money.

The 21st century brought along different ways of (8)_______with money on the internet. People can also send money to friends or family members.