Nomadic Life
30,000 years ago, There exists only Nomadic lifestyle it is considered as oldest form of human society.
"drifting from place to place, some in the search of commodities or animals, and some to escape harsh weather "
Somehow, nomadic lifestyle is still adaptable in the modern world for adventures or tourists.
Limited Possession
People lives in a very simple manner. they only carry things they needed. They move from one place to another so they didn't have useless material. list of things they have should be a pair of clothes, or two, a shoe, some tools, perhaps some pottery
Barter exchange
When they cross paths with neighbouring tribe or clan, they would exchange - wheat for fish, utensils for blanket or poultry for beef.
there's no concept of currency, note or a legal tender
Wealth was not Owned. We say that no one at that time delclared as World's Richest Man or Woman.
People have very limited desires, communal living is common and they don't think outside that
GREED
Competitiveness:
"crept into how many began to value him". it is also called Ego
Ownership of commodities and livestock was inequitably distributed
Now, people own specific skills at that time which has distinct value near the area they live in accordance to need of that skill
This desparate ownership of commodities and skills gave rise to an arrangement of Mutual transactions
20,000 years passed including the Ice Ages, in adaption of bartering
BARTER
Barter system somehow still exist in some form or another
People exchange gifts with each other, for example, or share harvests.
Iran on account of international sanctions trades various commodities from other countries in exchange for oil.
If we give something to someone, we except something from that person.