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it could freeze and it could be dangerous for people
so if the flood did not happen in summer water could get to the crops
Canals often have rivers as their source of water. So it could be said that there is water flowing from a river into a canal. A big river may not necessarily empty itself into the canal, but some small rivers could do so.
Because at the time the steam boat was built and that made trade by water much easier. The U.S was trying tomaximizethe rivers and lakes to that the boats could get around and Canals were a HUGE help in this process. (expanding West)
Using reservoirs (lodges) and lock gates to maintain a water level in a canal, means that boats can travel on the canal in all but the winter, when the canal may be iced over. On a river, the water level depends on rainfall, and could become too shallow during the summer.
Because at the time the steam boat was built and that made trade by water much easier. The U.S was trying tomaximizethe rivers and lakes to that the boats could get around and Canals were a HUGE help in this process. (expanding West)
Until the rise of rail transport, by far the cheapest form of transport was by water - rivers, canals, lakes and seas.
because the canals boats go though and you could die
Canals have significant drawbacks over railroads. Railroads can be run to wherever the materials, goods, or market are, whereas canals have geological constraints (best following an existing river, unworkable in mountainous terrain, going over hills requires either deep cuts or locks/dams/lakes/rivers). Also, railroads were much faster to operate than canal boats, making them preferred not only for cargo but also passengers.
The canals that had hills so they could get up the hill so mostly all of them :)
The Mesopotamians built canals because they need a way to water there plants and they need a way to control there river flows
They dug irrigation canals and ditches. They then added gates and dikes so that they could use the water to nourish their crops without flooding.