<span>Due to a new subduction zone, earthquakes could become more frequent, which could destroy buildings and properties. Another geological feature that can occur in a subduction zone is a volcano. Volcanic eruptions can kill people who are in the lava's path and can also destroy buildings and landmarks.</span>
I don't know exactly which three but these could be some...
Studying local native traditions and life ways in order to become familiar with the local region
Local ecology
Observation: reading the landscape
Animals: tracking, hunting, trapping, making bow and arrows, animal food preparation
Identifying, harvesting and preparing wild edible plants
Fire making
Tool Making and flint knapping
Creating fishing equipment (hooks, lines, etc.), fishing, gutting and preparing fish for cooking
Shelter: building using local materials found at the site
The waste stream: where to excrete
Invisible structures: tribal culture and local tribal custom
Hope this helped!
Language seems the obvious answer
St. John's is the capital of Antigua and Barbuda