At the same time, attempts were made to strengthen sovereignty in southern Chile intensifying penetration into Araucanía and colonizing Llanquihue with German immigrants in 1848. Through the founding of Fort Bulnes by the Schooner Ancud under the command of John Williams Wilson, the Magallanes region joined the country in 1843, while the Antofagasta area, at the time part of, Bolivia, began to fill with people.