Because of jobs, safety and family.
The correct answer is A. They had elaborate trade networks.
Explanation
Trade networks are a form of the economic relationship between human communities in which products or services are exchanged for other goods or services or exchange currency. With the arrival of the Europeans in America, it was discovered that the native communities had a very elaborate network of commercial relations that allowed them to exchange their products with the other tribes in different parts of the wide American territory, from where they could obtain different products such as sea fish, river fish, the meat of domesticated animals, fruits, and other products of agriculture. So, the correct answer is A. They had elaborate trade networks.
Correct me if I'm wrong but I think the answer is:
"They were white musicians and composers who were heavily influenced by jazz."
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The French had set up trading posts in the Louisiana Territory and traded goods using the Mississippi River as transportation. The river leads into the ocean, specifically in New Orleans. New Orleans was a major port used to transport goods from the Louisiana Territory back to Europe.