Explanation:

Steppe Climatic region is also known as Temperate Grasslands. These grasslands are some of the most developed agricultural fields and are termed as grain baskets.  Steppes are known by their regional names in different parts of the world. They include, Prairies - North America; Pustaz - Hungary; Pampas - Argentina and Uruguay; Velds (High Veld) - South Africa; Downs - Australia; Canterbury - New Zealand. Hence option 3rd is correct.