For transportation.
It is also the best place to dig them.
They get it from an oasis or dig it from the ground.
To irrigate there farms
Yes they did
They dig them up! :D
eating, dig in the ground, and attack people.
eating, dig in the ground, and attack people.
People needed to dig up a lot of ground to make them. Some were made obsolete by the railroad soon after they were constructed. Canals need a lot of water in order for the boats to sail on them. In the winter the water can turn to ice. In the summer, the water can dry up. Boats that are bigger than the locks of the canal can't use them.
you can dig any rock out of the ground
Yes, cats can dig holes in the ground.
Railroads are faster, carry more goods, can travel through all kinds of weather, can go anywhere track can be laid, people live on land, not the water. Railroads generally speaking use less fuel to transport goods than any other type of vehicle. Boats can sink in canals. It's easier to lay track on the ground than to dig a canal in the ground. There is more land than water where people live.
They extracted it from rivers and ground wells and used canals to irrigate crops.
people dig the ground then they put the tree