Who launched the crusades were a holy war?

What stone is used for the roman colosseum? The portion of England ceded to the Danes to keep peace was called the? How long has Vivienne Westwood been a designer? How many people went on the fourth crusade? What nationality is the last name Hettinger? When did slave trading start? What did a medieval bailiff do? What Continent began in early civilization? How were manors and monastic communities alike during the Middle Ages? Where in china was the first windmill created? What were Roman swoards used for? What is the etymology of whiskey? What goods did the Europeans seek in china? Is credited with starting? Where did humanism originate? What were some of the major political flaws of the Roman Empire? Who professionalized the Roman army? When was the Coliseum in Rome first built? What large transformation took place after Western European discovery and their subsequent empire in the New World? What is the past tense of the verb creep?