state two ways in which the iron age help in growth of towns and cities
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Explanation:
The Iron Age is the final epoch of the three-age division of the prehistory and protohistory of humanity. It was preceded by the Bronze Age and the Stone Age (Paleolithic, Mesolithic, Neolithic, and Chalcolithic). The concept has been mostly applied to Europe and the Ancient Near East, but also, by analogy, to other parts of the Old World.
The duration of the Iron Age varies depending on the region under consideration. It is defined by archaeological convention. The "Iron Age" begins locally when the production of iron or steel has advanced to the point where iron tools and weapons replace their bronze equivalents in common use.[1] For example, Tutankhamun's meteoric iron dagger comes from the Bronze Age. In the Ancient Near East, this transition took place in the wake of the so-called Bronze Age collapse, in the 12th century BC. The technology soon spread throughout the Mediterranean Basin region and to South Asia. Its further spread to Central Asia, Eastern Europe, and Central Europe is somewhat delayed, and Northern Europe was not reached until later, by about 500 BC.
The Iron Age is taken to end, also by convention, with the beginning of the historiographical record. This usually does not represent a clear break in the archaeological record; for the Ancient Near East, the establishment of the Achaemenid Empire c. 550 BC is traditionally and still usually taken as a cut-off date, later dates being considered historical by virtue of the record by Herodotus, despite considerable written records from far earlier (well back into the Bronze Age) now being known. In Central and Western Europe, the Roman conquests of the 1st century BC serve as marking for the end of the Iron Age. The Germanic Iron Age of Scandinavia is taken to end c. AD 800, with the beginning of the Viking Age.
In the Indian sub-continent, the Iron Age is taken to begin with the ironworking Painted Gray Ware culture. Recent estimates suggest that it ranges from the 15th century BC, through to the reign of Ashoka in the 3rd century BC. The use of the term "Iron Age" in the archaeology of South, East, and Southeast Asia is more recent and less common than for western Eurasia. In China, written history started before iron-working arrived, so the term is infrequently used. The Sahel (Sudan region) and Sub-Saharan Africa are outside of the three-age system, there being no Bronze Age, but the term "Iron Age" is sometimes used in reference to early cultures practicing ironworking, such as the Nok culture of Nigeria.