Great Britain declared war on Germany in September 1939 after Germany invaded Poland.
Britain had a treaty to protect the neutrality of Belgium.
because Hitler invaded our friends (Poland)Britain had a defense treaty with Belgium. When Germany invaded the small dutch-and-french speaking nation, Britain was obligated to issue an ultimatum and, in the case that was ignored, declare war.The Britain declared war on Germany because of the German's invasion of Belgium.
German invaded poland
When Germany invaded Poland, France and England declared war on Germany, this started WWll
they were scared and worried that Britain was going to get invaded next.
Okay. You need to get your facts straight. Britain never invaded Belgium. Germany invaded Belgium to take over France. Germany never actually declared war on Britain. The closest thing it did was begin the London Blitz.
The British had promised the Belgians that they would support them if Germany attacked them. When Germany invaded Belgium, Britain declared war on Germany.
Germany did not invade Britain in WW2. Britain has not been invaded for a thousand years.
In WW2 the French and Britain said they would declare war on Germany if they attacked Poland. When Nazi Germany invaded Poland France and Britain declared war on Germany. Then Germany stormed French.
Britain was not invaded at all in WWII. (Unless you count the Americans!)
Because Germany invaded Poland.
Poland
Germany invaded Belgium that was neutral
Belgium
Never! Britain has never been invaded or conquered or 'gained' by Germany. Incidentally, I find the question bizarre.
It's all about promises.In WW1 Britain promised to protect Belgium and after Germany invaded them to get to France war was declared upon Germany from Britain.In WW2 Britain had agreed to protect and help Poland in all military scuffles and when Germany invaded and refused to leave Poland Britain declared war upon Germany.