Thing were always passed down from one to another
Answer:
Sultanate - similar to a monarchy, a government in which the supreme power is in the hands of a sultan (the head of a Muslim state); the sultan may be an absolute ruler or a sovereign with constitutionally limited authority.
Explanation:
The correct answer is A. Kenya
The primary difference between barter and currency systems is that a currency system uses an agreed-upon form of paper or coin money as an exchange system rather than directly trading goods and services through bartering.