The policies and laws that rulers develop
Answer:
D
Explanation:
because I am not completely sure, you should get a second opinion
Answer:
flexability
Explanation:
A barter system is only as good as the items being bartered (or traded). For example - if I need a new car and am willing to trade my tractor for one, but the person who has the care does NOT want a tractor - we cannot barter. I need to find someone with a car that wants to trade for a tractor.
Answer:
A. they determine prices and wages
Explanation:
with supply and demand if there are more demand for items the price goes up and if there is a lot of them the price would either go down or stay the same.