Question

What triggered the actual beginning of world war ii?

Answer 1

Most historians argue that it was the German invasion of Poland, or the Japanese invasion of China. It partially depends on when your teacher thinks it started, but most say that it was the German invasion of Poland.

So I would say that it’s the German invasion of Poland

Answer 2

Answer :
Hitler's invasion of Poland

Step-by-step explanation:
in September 1939 drove Great Britain and France to declare war on Germany, marking the beginning of World War II.