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Primary Source Sets
The Columbian Exchange
An Aztec codex prominently displaying maize, 1830.

An Aztec codex prominently displaying maize, 1830.

Pre-Columbian Mesoamerican people groups (Aztecs, Mixtecs, and Mayans, e.g.) created codexes, textual records, that are one of the best primary sources for historical information about their cultures. This codex, Thirteen Cities Paying Tribute to Aztecs, was recreated in 1830 by Agostino Aglio. It reveals the importance of maize to the Aztecs. Maize, a corn that was first grown by indigenous people in Mexico nearly ten thousand years ago, is one of the most important crops to be “exchanged” in the Columbian Exchange. It can grow in nearly any climate; currently, under certain conditions, corn can produce a yield double that of wheat. After the Columbian Exchange, corn fed humans and livestock, contributing to population growth in many areas.

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Citation Information
Aglio, Agostino, “Thirteen cities paying tribute to Aztecs,” Digital Public Library of America, https://dp.la/item/85befcb14c374d90701578efc3986a39.
Note: These citations are programmatically generated and may be incomplete.
Courtesy of California State Library via California Digital Library.

Tips for Students

For this source, consider:

  • the author's point of view
  • the author's purpose
  • historical context
  • audience

Item 9 of 13 in the Primary Source Set The Columbian Exchange

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An Aztec codex prominently displaying maize, 1830.
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