Respuesta :
Answer:
Japan’s mountainous geography causes the ground to be uneven and makes building roads and railways on its surface complicated. Tunneling underground allowed railways to travel straighter and simpler routes. It also avoided construction challenges and eventually helped make high-speed bullet trains possible.
Answer:The problems presented by the physical geography of Japan that led to the construction of underground railways were the number of earthquakes that presented its geography because of its location in the Pacific Ring of Fire
Explanation:
If you build underground railroads the earthquake wont affect you as much