 Complete the following phrase:  At the start of the 20th century, the town was an agricultural settlement, with citizens cultivating the fields of the Žiar Basin. After World War II, the only aluminium plant ZSNP in Czechoslovakia was developed in the town, with production commencing in 1953, securing thousands of work places. The Works have been a base for towns transformation into an industrial city. With the growth of the aluminium plant came the population boom, supported by domestic migration. The 