Britain did not start World War 1. Technically, a Serbian nationalist named Gavrillo Princip killed Austrian heir to the throne Archduke Franz Ferdinand which was the final event that sparked the war to begin.
German started WW1
Yes, they entered from the start as Great Britain
Because of its Loyalty to Great Britain.
Britain invaded most of the world by sending troops to claim lands and start war. It has been determined that there are only 22 countries in the world that Britain did not invade.
Neville chamberlain
3 September 1939: France and Britain declared war on Germany
world war 2 started because Britain was fighting Germany to get freedom from them
on the 1st September 1939 Germany invaded Poland Britain declared war 2 days later on the 3rd September 1939
France and britain declared war germany because germany invaded poland
If you mean World War 2 - it was Neville Chamberlain
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).
USA, Britain, France, and Poland were all WWII Allied countries.