Answer:
D. there would be no need for markets to purchase goods and services
Explanation:
Self sufficiency which the act whereby an individual can be able to meet his or her needs without recourse the seeking help whatsoever from another person. This is an etopiain scenario projected which is hardly reliasiable as a result of everyone needing help at one point or the other over the course of his or her living on earth.
<em>For example, someone that is good in electrical repairs would need the help of someon who is good in farming for his or her daily feeding inorder to stay living and vice versa. This he could achieve through the act of buying and selling either by trade by barter or using money.</em>
If everyone become self sufficient, that simply means that there would be no need for buying and selling of goods and services.
Political should be the answer
Depending on the exact time, most native american populations declined due to wars with the British and Americans. Diseases and epidemics would also take many lives at that time. Hope this helps.
Just one, Donald Trump......
