Question

What directly caused the beginning of World War II?

Japanese invasion of China


Japanese invasion of Indochina


German invasion of Poland


German invasion of the Rhineland

Answer 1

What event started World War II?

the Prussian attempt to create a German confederation

the beginning of a worldwide depression

the division of Germany into East and West

the German invasion of Poland

Answer 2

The German invasion of Poland directly caused the beginning of World War II.

Germany had invaded Poland, and two days after both France and Britain declared war on Germany.