Question

Tensions leading up to WW2 can be traced to

Answer 1

http://www.historyonthenet.com/ww2/causes.htm

World War Two began in September 1939 when Britain and France declared war on Germany following Germany's invasion of Poland.

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

Answer 2

@Mtrest1