What is obsidian, and how was it incorporated into mesoamerican culture

Obsidian is a black natural glass formed by volcanic lava. In early Mesoamerican cultures, obsidian was a major trading item used to make knives and other such tools.

Explanation:

the correct answer that would best complete the given statement above would be option b. expanding civil services. diocletian and constantine paved the way for foreign invasion by dividing the empire, creating administrative bureaucracies and reorganizing the military, except for expanding civil services. hope this answer .

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explanation:

the answer is "focused on"

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