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<em>Answer and Explanation:</em>
<em>The Cahokia was Important because, It was made possibly by two basic innovations. The most important was "</em><em>Agriculture</em><em>" </em>
<em>Preserving, the remains of an ancient Native American city near Collinsville, Illinois, the Cahokia Mounds State Historic Site is across the Mississippi River from St. Louis, Missouri.</em>
The African people were elated because the colony mother's (The countries that colonized them) would not be imposing on their lives and would be able to create their own governments and laws.