What were some notable achievements of the Maya and Aztec civilizations? What is a resource that some regions struggle to have?

Answer1: The Mayas, for example, made striking advances in writing, astronomy, and architecture. Both the Mayas and the Aztecs created highly accurate calendars. The Aztecs adapted earlier pyramid designs to build massive stone temples.

Explanation:

from the excerpt from the "the dark game" the reader can infer that folke cronholm was spying for the allied nations.

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