The right word and the correct answer is Integrity.
Integrity- can also be called as honesty, honor, etc. It is where an individual is in a state of being whole and having a quality of being honest and yes, having strong moral principle is also considered as a synonym of integrity.
One person can claim integrity if he/she has the capability of doing right things in a reliable way.
The caste system divides Indian society into groups based on a person’s birth or occupation.
Ancient Egypt ,separated by periods of relative instability known as the Old Kingdom of the Early Bronze Age, the Middle Kingdom of the Middle Bronze Age and the New Kingdom of the Late Bronze Age.
I think it means the money the only bill that you can get from the internet to get payment.
If you mean supply and demand, then
supply: how much of something you have
demand: how much people want it
so if the supply is high (there are alot of product) and demand is low (not many people want it), then the prices are usually low, but
exg gassoline
so there is a limited supply in the world so the supply is low, but the demand is high (many people need gas) so the prices are high
so gas is on of them