system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How is it the island of Java can support it's 140+ million people in area the size of North Carolina?
gpt
by depending on trade for food and other resources, and coping up with less personal space. there's still some farms and forests, but yeah its hard to get away from other people.

the total north carolina population is about 10 million? heck, Jakarta (the largest city in Java) alone has 20 million people...
source: i live there.