Answer:
Plantations were self sufficient.
Explanation:
They grew their own food and produced their own goods. ... The economy depended on the large plantations, but many colonists lived on small farms.
According to Adam Smith, the thing that motivates most individuals is D. sense of self interest.
<h3>What is self interest?</h3>
It should be noted that self interest simply means engaging in things that will be beneficial to one.
In this case, acccording to Adam Smith, the thing that motivates most individuals is a sense of self interest.
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