Both the Aztec and the Inca were defeated by Spanish conquistadors. Both the Aztec and the Inca were New World empires. Both the Aztec and Inca had calendars of their own. Both had gold artifacts that the Spanish wanted.
People wanted to be able to study Christianity in their native languages.
It led to the discovery of new, efficient trade routes between Europe and Asia.
The modern era is characterized by global exchange of ideas and goods, while this kind of exchange was mostly regional during the post-classical era.
Chinese government officials were selected based on their abilities rather than their family history.
It resulted in disease outbreaks that devastated native populations.
It allowed people to establish permanent farming communities.
Catholicism requires Christians to follow a single leader, while Protestantism does not.
The Inca created a politically unified empire, while the Aztecs granted more independence to conquered territories.
An artist dedicates a painting to his art teacher instead of to God.
Only a living person can have duties. Technology is an abstract concept not a living person.