Why did world powers try to appease or ignore germany's and japan expansionist policies at first

The main reason why the world powers tried to appease or ignore Germany's and Japan expansionist policies at first because they did not want to start another big world war. The other super powers of the world also started their own colonies and they did not want additional competition from the Germans or the Japanese.

Colin gets pic 'n mix when at the cinema and makes his bag up with 3 types of sweet. He picks 3 times as many cola bottles as smarties. He also picks twice as many smarties as marshmallows. What proportion of the bag of sweets are cola bottles?
Give your answer in its simplest format