Question

5. In which year did the Second World War begin? What was the main cause

Answer 1

the sedond world war started on september 1, 1939.

the causes for second world war are:

1. aggressive nationalism.

2. imperialism

3. secret alliances.

4. the treaty of varsailles-intensity of the terms

5. failure of the league of nations.

6. german challenge to the vengeful domination

7. fear from socialism and russia

 the immediate cause of WW2 was the german war on poland as a punishment for refusing to handover the port of danzig to germany.

hope it helped...

Answer 2

World war II begin in September 1939 when the Britain and France declare war on Germany .

Although the outbreak of war was triggered by Germany's invasion of Poland , the cause of world war II are more complex.