<span>The articles of confederation gave the confederation congress all of the following powers except the power to impose taxes.</span>
Answer:
C. The first animals that could live both in water and on land appeared during the <u>Paleozoic Era</u>
The correct answer is <em>option C. The development of social classes</em>. In the earliest civilizations, historians believed that trade was connected to the development of social complexity. This theory is supported by the fact that trade coincided most with the development of social classes.
The more developed a community was,in terms of organizing its citizens and having different social sectors in it, the more advanced its trade was. The appearance of social classes within a community was a sign that this last one was growing and developing, and that was seen in its trade and commerce.
<span>prokaryotes single celled organisms
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