What are some of the innovations/technologies that put the maya, inca, or aztecs "ahead of their time"

The byzantine empire weakened after asia minor

Historians have recently discovered a historical journal published in the early twentieth century. the journal contains facts based on original sources about the downfall of the early byzantium empire. historians consider this long-lost journal to be a breakthrough in their understanding of the byzantium empire. based on this information, the journal is a source.

What were some effects in world war 1 in europe ? ( and only in europe)