The Germans had been slowly building up their military after the fall of the Weimar Republic; their invasion of Poland in 1939 was probably the most immediate cause of the world war.
The German invasion of Poland in 1939.
The assassination of Archduke Franz Ferdinand.
World War I had 4 long-term causes and one immediate cause. The assassination of the Austro-Hungarian archduke was the immediate cause, the reason war was justified enough to actually begin. The other four are the MAIN causes of the war, Miliatariam, Alliances, Imperialism and Nationalism.
The main cause of world war 1 was all of the alliances nations made. It was also because Archduke Franz Ferdinand was assassinated by a terrorist.
The Germans had been slowly building up their military after the fall of the Weimar Republic; their invasion of Poland in 1939 was probably the most immediate cause of the world war.
the Zimmermann note
The German invasion of Poland in 1939.
One of the cause of America entry into World War One was the announcement by Germany that there was unrestricted submarine warfare. The effect of America's entry is that it sped the end of the war.
The Japanese attacked Pearl Harbor December 7, 1941.
The immediate cause of the first revolution in March 1917 was the disastrous impact of the First World War.
Economic gain.
The assassination of Archduke Franz Ferdinand.
World War I had 4 long-term causes and one immediate cause. The assassination of the Austro-Hungarian archduke was the immediate cause, the reason war was justified enough to actually begin. The other four are the MAIN causes of the war, Miliatariam, Alliances, Imperialism and Nationalism.
That was the Archduke Franz Ferdinand.
The immediate cause was Germany's invasion of Poland in 1939, but there were many underlying causes of the war, most which dated back to the conditions of the Treaty of Versailles after World War I.
russia dropped out the war