Question

what was the immediate cause of second and first world war ​

Answer 1

Answer:

The immediate cause of the outbreak of WWII in Europe in 1939 was the German invasion of Poland. England and France had guaranteed that they would protect Poland's borders as they were in 1939. When Germany invaded, France and England kept their promise and declared war

Answer 2

Immediate cause for First World War:

The assassination of Archduke Franz Ferdinand.

Immediate cause of Second World War:

Germany invaded Poland for refusing to handover the port of Danzig to Germany.