Complex sentence: He reached northwestern France, the territory of the Oestrimini tribe living in Portugal probably to trade for tin to be used for making bronze and for other precious metals, the voyages of the Carthaginian Himilco take note of the islands of Albion and Ierne.
Split into simpler sentences: He reached northwestern France, as well as the territory of the Oestrimini tribe living in Portugal probably to trade for tin to be used for making bronze and for other precious metals. Records of the voyages of the Carthaginian Himilco take note of the islands of Albion and Ierne.