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A river valley civilization is an agricultural nation or civilization situated beside and drawing sustenance from a river. A river gives the inhabitants a reliable source of water for drinking and agriculture. Some other possible benefits for the inhabitants are fishing, fertile soil due to annual flooding, and ease of transportation.
The nineteenth century saw canal-building become more common, with the U.S. building 4,400 miles (7,100 km) of canals by 1830. Rivers began to be used by cargo ships at a larger scale, and these canals were used in conjunction with river engineering projects like dredging and straightening to ensure the efficient flow of goods. [24]
Rivers are an essential component of the terrestrial realm and have been a preferable location for human settlements during history. River is the main expression used for river channels themselves, riparian zones, floodplains and terraces, adjoining uplands dissected by lower channels and river deltas. [3]
Water resources are natural resources of water that are potentially useful for humans, for example as a source of drinking water supply or irrigation water. These resources can be either freshwater from natural sources, or water produced artificially from other sources, such as from reclaimed water or desalinated water (). 97% of the water on Earth is salt water and only three percent is fresh ...
People have intervened in the natural course and behaviour of rivers since before recorded history—to manage the water resources, to protect against flooding, or to make passage along or across rivers easier. Since the Yuan Dynasty and Ancient Roman times, rivers have been used as a source of hydropower.
Mackenzie River: named for the Slavey people Peace River: Canada: British Columbia, Alberta: 1,195 mi (1,923 km) Slave River: part of Finlay–Peace–Slave–Mackenzie river system--13th longest in the world, traditional Danezaa people lived along its shores Athabasca River: Canada: Alberta: 765 mi (1,231 km) Slave River: Canadian Heritage ...
Many religions also consider particular sources or bodies of water to be sacred or at least auspicious; examples include Lourdes in Roman Catholicism, the Jordan River (at least symbolically) in some Christian churches and Mandaeism called Yardena, the Zamzam Well in Islam and the River Ganges (among many others) in Hinduism.
A countless number of rivers have been used as means to transport people, goods, etc., and are still used so today. All such information should be described here. Stylistically, this can be a good segue from history, connecting past uses of the river to present-day uses.