Answer: The first answer (a)
Explanation:
They changed so that they could access different food types
<span>The first question that leaders ask themselves is usually: What needs to be done
The most common thing that every effective leaders tend to have is that all of them are very goal oriented.
Every steps that they take is an effort that they made so they're one step closer to the goals that they wanted to achieve </span>
If you are relatively better at something, then you are said to have a absolute advantage in that activity.
<h3>What is
absolute advantage?</h3>
Absolute advantage serves as an economic concept which is been used to describe a party's superiority as regards the production capability.
It should be noted that this is the ability to produce a certain good or service at lower cost , hence If you are relatively better at something, then you are said to have a absolute advantage in that activity.
Learn more on absolute advantage at:
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The main reason is that the North wasn't as agricultural so they didn't need slaves working the fields they where more mercantilist ( an economic system used to boost the nation's wealth using trade.)
