These aims, and carrying them out, was one of the major contributing factors to the outbreak of World War Two in September 1939. Some people felt the Treaty of Versailles had been too harsh in the ...

This in-group could be a tribe or a nation-state. It's the same mechanism. It's the thing that causes us as humans to feel belonging. It's the thing that makes you feel homesick. It's the thing ...

More from Wes about the causes of the Civil War. What led to the outbreak of the bloodiest conflict in the history of North America? A common explanation is that the Civil War was fought over the ...

Eurostar trains to London and all trains heading to northern France have been brought to a halt following the discovery of an ...