The answers are as follows:
Olmec:
- conducted business with their neighbors the Zapotecs
- originated in parts of Central America
Chavin:
- originated in areas around the Andes mountains
- domesticated animals for the purpose of travel and transportation
The Olmecs are one of the native people of Central America and they originated in close proximity to the Zapotecs, and even though their relations were not always the best, they were trading goods between each other.
The Chavin people are one of the native Andean people, and as most of the Andean people they did manage to domesticate certain animals for the use of travel and transportation, namely the llama.