What does WDL mean?

Who are the ancient Romans? The changes in the late 20th century to the traditional nuclear family were partially a result of? When camels were brought to africa from asia trade increased across the? How many ports did the ancient roman empire have? Who are the mongols? What were three reasons for the European voages of exploration in the 1400s and 1500s? When did the band celtic thunder form? What dynasty came after the mongol dynasty? Why will historian would use absolute chronology to emphasize? What factors facilitated the expansion of European society from 1450 to 1650 What was the motivation both for the individual European explorers and the states that supported them? How many years ago is 1994? What is romanlism? What came first In chronological order? What are the key achievements and contributions of ancient Romans civilization? What are the pros and cons of Constantine moving the capital from the city of Rome to Byzantium? What was a result of Zhang Qian's exploration of the west? In medieval education the trivium included? What is the relationship of Merlin to King Arthur? What was the major change that took place in the west between 1819 and 1894? Why did cities such as a Venice flourish as a result the crusaders?

What does WDL mean?