According to the diagram, what are the EIGHT primary origins of World War One?

What two effects are from the July Crisis?

What are the dangers of the Alliance System?

What is referred to by the German Blank Check?

What two countries have a naval arms race?

What are Germany's domestic problems?

Why does Austria-Hungary fear Serbian nationalism?

Which country is reforming its army?

Why does Germany have political deadlock in 1912-1913?

Who is Germany's only reliable ally?

Which country is in decline?

Weltpolitik, is the German word for world politics. Why was this policy unsuccessful?

Following the arrows to their conclusion, there are SIX items that originate from two separate primary effects. What are they? Which one of them starts from THREE primary effects? How does this help explain why war started in 1914? The decisions of which country were essential for it to happen?