I believe it’s the igneous rocks
Chile os a long skinny country, problems could be not haveing enough space for bulidings, making towns longer apart and therefore harder to transport resources
In 1912 Alfred Wegener (1880-1930) noticed the same thing and proposed that the continents were once compressed into a single protocontinent which he called Pangaea (meaning "all lands"), and over time they have drifted apart into their current distribution.