Treaty of versailles
Treaty of Versailles was about Germany taking full responsibility for causing the war, not be allowed to make or export weapons, give up many of its territories, and pay for countries that were hurt by the war, so World War II started on September 1, 1939.
germany & japan aggression
Germany took over Austria and Czechoslovakia.
Japan took over China.
Japan took over China.
appeasement
In 1933, Neville Chamberlain introduced the Policy of Appeasement to Adolf Hitler. This policy gave some privileges to enemies in order to maintain peace.
attack on poland
Poland was attacked by Germany on September 1, 1939, this marked the start of World War II in Europe. By the end of the month Poland surrendered to the Germans and their country was occupied.