What is occlemency?

What is the development of western land timber gold and oil? How many centries have humans been on earth? When was dating invented? How did the crusades get their name? What is Franklin old school's name? How did popculture emerge from the 40s? What are Charlemagne's goal? How did the crowning of Charlemagne harm relations between the east and west? Why the cities form and how have the effect that culture? Why did cattle drives begin? How did diocletian try to reverse the decline of rome? What does Quelle a été votre nuit mean? What is the past tense form for creep? What was ancient romes environment like? How many years are there between 900BCE and 620CE? When one culture copies another culture what is it called? Who was the part of the first triumvirate with Julius Caesar? Why did europeans began to seek new trade routes in the fifteen century? Which European city was divided into two parts by a wall? How do historians define the modern era?