the british were allied with the Americans and Russians in wwii so they were against the Germans and Japanese mostly
No.
Germany. Answer: yes Germany but Italy and Japan also declared war against Britain.
Germany and Japan
Yes. Japan fought against the US, Britain, and China in World War 2.
No
Britain didn't lose in World war 2. With some timely help from the US, they ended up on the winning side.
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What_were_the_sides_in_World_War_2
Britain .
By Nazi Germany invading Poland, and Britain's ally, France joining Britain in declaring war against Germany, which in turn led Japan to declare war against Britain and France, which then escalated the war from a pan European to Global (eventually).
Britain and Germany were effected because they were at war against each other.
The Compulsory conscription was ordered by Hitler in the World War 2, that was against the Treaty of Versailles