>>17953425
The Mesoamericans and Andeans collectively and independently invented:

>agriculture
>pottery and ceramics
>animal domestication
>road and trade networks
>monumental architecture
>urban living/cities on par with ones from Classical anitquity the old world in both population sizes and physical expanse
>copper and bronze working and the production of alloys
>organized armies
>writing and poetry
>philosophy
>semi-complex mathematics and HIGHLY complex astronomy
>Censuses and land surveys
>aqueducts, dikes, and other hydraulics
>True hydraulic cement
>sewage systems and toilets
>Legal systems (written laws, appeliate courts) and advanced forms of government, including senatorial republics, bureaucratic intuitions, etc
>Zoos, aquariums, nature preserves
>Alcoholic beverages
>True fresco technique
>Empirically based medical treatments
>Complex denstrity
>A bunch of other random mundane shit like soap, for instance.

Invented first:
>Domestication of corn, (which is one of the most impressive feats of selective breeding in history period) and many other plants
>Chocolate
>The nixtamalization method
>World's best sanitation and hygiene practices at the time
>True, academic Bontatincal gardens
>Universal public education (probably, some sources say going to school wasn't mandatory for the aztec but most do)
>Chinampas
>The world's first true suspension bridge (potentially)
>The world's largest human monument period, which is also the world's largest pyramid
>a few specific metallurgical techniques/alloys
>Taxonomy
>State managed economies

To name a few.