It was by foreign alliances that he calculated on supporting his despotism at home. The Etruscans of Tarquinii, and all its associate cities, were his friends; and among the Latins also he sought to raise a power which might counterbalance the senate and people of Rome. The wisdom of Tarquinius Priscus and Servius had united all the Latin name to Rome, so that Rome had become the sovereign city of Latium. The last Tarquin drew those ties still closer. He gave his daughter in marriage to Octavius Mamilius, chief of Tusculum, and favored the Latins in all things. But at a general assembly of the Latins at the Ferentine Grove, beneath the Alban Mount, where they had been accustomed to meet of olden time to settle their national affairs, Turnus Herdonius of Aricia rose and spoke against him. Then Tarquinius accused him of high treason, and brought false witnesses against him; and so powerful with the Latins was the king that they condemned their countryman to be drowned in the Ferentine water, and obeyed Tarquinius in all things. With them he made war upon the Volscians and took the city of Suessa, wherein was a great booty. This booty he applied to the execution of great works in the city, in emulation of his father and King Servius. The elder Tarquin had built up the side of the Tarpeian rock and levelled the summit, to be the foundation of a temple of Jupiter, but he had not completed the work. Tarquinius Superbus now removed all the temples and shrines of the old Sabine gods which had been there since the time of Titus Tatius; but the goddess of Youth and the god Terminus kept their place, whereby was signified that the Roman people should enjoy undecaying vigor, and that the boundaries of their empire should never be drawn in. And on the Tarpeian height he built a magnificent temple, to be dedicated jointly to the great gods of the Latins and Etruscans, Jupiter, Juno, and Minerva; and this part of the Saturnian Hill was ever after called the Capitol or the Chief Place, while the upper part was called the Arx or Citadel. He brought architects from Etruria to plan the temple, but he forced the Roman people to work for him without hire.