 Complete the following phrase:  Rapid economic expansion in Chile in the late 19th century did not only occurred in the northern regions but also in the extreme south where in Tierra del Fuego a gold rush was triggered in 1884 fueled economic growth in Punta Arenas and attracted a considerable amount of European immigrants. Tierra del Fuego and much of Magallanes Region did also experienced a fast growth of the sheepherding industry since the 1880s accompanied by colonization of the sparsely populated Patagonian grasslands. In the South-Central Araucanía the 