Question

How and why are terraces built?

Answer 1

Hint: In agriculture, a terrace is a portion of an inclined plane that has been cut into a sequence of sequentially ebbing flat tops or boards, which look like steps, for the densities of more operative farming. This type of remodeling is hence called terracing.

Complete answer:
Terracing is also used for slanted terrain; the Hanging Gardens of Babylon may have been constructed on a simulated mountain with trodden terraces, such as those on a ziggurat. At the littoral Villa of the Papyri in Herculaneum, the villa grounds of Julius Caesar's father-in-law were planned in terraces to give enjoyable and diverse interpretations of the Bay of Naples. Rigorous terrace farming is alleged to have been adept before the early 15th century AD in West Africa. Terraces were used by many assemblies, particularly the Mafa, Ngas, Gwoza, and the Dogon. Terraced paddy fields are used extensively in rice, wheat, and barley agribusiness in east, south, and southeast Asia, as well as the Mediterranean Basin, Africa, and South America. Drier-climate terrace farming is communal all over the Mediterranean Basin, where they are used for vineyards, olive trees, cork oak, and additional crops.

Note: In the South American Andes, farmers have used terraces, known as andenes, for over a thousand years to farm potatoes, maize, and additional native crops. Terraced farming was industrialized by the Wari culture and other peoples of the south-central Andes before 1000 AD, centuries before they were used by the Inca, who espoused them. The terraces were constructed to make the most effective use of thin soil and to allow irrigation of crops by letting overflow to happen through the opening.