Answer:
I think the answer iS B (PATTERNS)
The type of economy system that you described is a traditional type of economy. (letter D). The traditional economy is the original type of economy that existed before the invention of money. The traditional type of economy was more rural and produce based wherein bartering or trading of goods was the way of life. People only produced and received exactly what they needed and the excess was usually given up to the ruler. The people in the economy only traded with each other in order to regulate the cycle of produced goods.
A strong since of personal expectations and beliefs.
Answer:
The widening channel of a river where it meets the sea, mixing fresh water and salt water
