The best and most correct answer among the choices provided by the question is the fourth choice. It is the main purpose of an economic system <span>to help make decisions concerning what, how, and for whom things are produced. </span><span>I hope my answer has come to your help. God bless and have a nice day ahead!</span>
Answer:
They traded with each other
Explanation:
They were both in the same area and both were interested in the supplies and knowledge that they both had.
