Explain how tensions were rising in Europe prior to the onset of World War?

What would lead a historian to consider two events to have a relationship of correlation rather than causation

What is the orthodox interpretation of why the cold war started

When the novel made its first appearance in the 1700s, why did it appeal to people of all classes? people could identify with the stories of everyday life. people were entertained by reading about the lives of nobles. people preferred stories that were thoughtful, not full of action. people were excited to read about great historical figures.