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==Summary==
Ferrous technologies are easily seen as one of the greatest impacts on the ancient and modern worlds. Our modern lives of mass transport and communication would not have been possible without it. The technologies also allowed new areas to be put into production and ultimately allowed our cities to grow upwards and outwards. Ferrous technologies have not only influenced our societies' developments but also allowed the development of modern conflicts that have politically shaped the globe, including major alliances and modern state boundaries.
==References==
