Founded as an ecclesiastical center, trading hub, and intended capital of a feudal state, Riga was Old Livonia's greatest city and its indispensable port. Because the city was situated in what was initially remote and inhospitable territory, surrounded by pagans and coveted by regional powers like Poland, Sweden, and Muscovy, it was also a fortress encased by a wall. The House of Hemp and Butter begins in the twelfth century with the arrival to the eastern Baltic of German priests, traders, and knights, who conquered and converted the indigenous tribes and assumed mastery over their lands....