What were the techniques and knowledge developed by the indigenous peoples mentioned in the text? a) The Mayans developed engineering and calculati...

What were the techniques and knowledge developed by the indigenous peoples mentioned in the text?
a) The Mayans developed engineering and calculation knowledge, the Incas developed agricultural techniques, and the Tupis developed hunting and fishing techniques.
b) The Astecas developed calculation knowledge and civil construction techniques, the Mayans developed agricultural techniques, and the Incas developed engineering techniques.
c) The Astecas developed calculation knowledge and civil construction techniques, the Mayans developed engineering and calculation knowledge, and the Incas developed agricultural techniques.
d) The Astecas developed agricultural techniques, the Mayans developed hunting and fishing techniques, and the Incas developed engineering and calculation knowledge.