What are some reasons world war 2 broke out

1. the impact of the Treaty of Versailles following WWI

2.Hitler's invasion of Poland in September 1939 drove Great Britain and France to declare war on Germany

3. the worldwide economic depression

4. failure of appeasement

Explanation:

Explanation:

Reasons:

a.The unfair treaty signed after first world war cause the feeling of revenge.

b.The advent of cold war after rise of powerful and cunning people in different countries.

the correct answer is: the fact that the anti-federalist papers were considered poorly written.