| A | B |
| Leadership of Aztecs | single ruler - a king chosen by a council of nobles & priests to lead in war; nobles served as officials, judges, governors of conquered lands |
| Incan government | emperor had absolute power, claimed he was a god [related to the Sun], chief religious leader, like a pharoah of Egypt, nobles ruled provinces, official collected taxes [large bureacracy] |
| Olmecs | first American civilization [on Mexican coast] |
| Contributions of Aztecs | astronomy, calendar, mathematics, set broken bones, treated dental cavities, built pyramid temples |
| trade & farming of Mayan | cleared rainforest, built raised fileds and drainage canals to grow corn; made roads to trade honey, cocoa & feathers |
| tribute | payment from a conquered people |
| Aztec religion | performed rituals to please the gods; including human sacrifice to feed the Sun god human blood so he would be strong enough to fight the darkness and return each day |
| Aztec farming | built chinampas [artificial islands] from swamp land that floated on the lake |
| Incan farming | built terraces [flat farm land] into the hillsides |
| Incan achievements | large road system linked all parts of empire; built temples lasting through earthquakes; kept records on knotted strings [quipps], performed surgery |