What is perserverens?

Why was the Third Crusade organized? What is sanctuary in Medieval Times? What was the belief held during the cold war regarding neighboring countries of communist countries all falling victim to communism known as? Which of the barbarian tribes controlled what is now Spain? What is the origin of the surname Voss? What century is 1534 in? How did the Celts get married? Origin of the word 'Guido'? What was the wal wal incident? Who paid peasants? What does ouest mean in French? Did women wear pants in the 1930s? Which author was the most widely cited authority on monstrous peoples during the 16th century? What is a common person in Rome? What made Charlemagne a successful leader? When did the iron curtain start and end? What role did new technology play in the spread of mass culture at turn of the 20 century? How many buffalo were in the western America in 1890? Why were the crusades a waste of time? Who invented the wheel sail and plow?