Trenches were dug in a zigzag pattern so that if an enemy entered the trench, he could not fire straight down the line. ... The main trench lines were connected by communicating trenches, allowing for the movement of messages, supplies, and soldiers and were lined with barbed wire.
They were all used in china before being used in Europe.
Answer:
Nepal's terrain is unique because it is consisted of flat river plains and many hills and mountain. One example is the rugged Himalayas in north.
Texas has a very large beef/cattle industry, so the high demand for beef would benefit the economy of texas.
