By destroying Britain's air force and airfields to facilitate invasion.
42
Germany started becoming aggressive in early 1938, annexing Austria and pushing into Czechoslovakia with Italian help, alarming Britain and France. The latter two declared war on 3 September1939 - two days after Poland was invaded. France was overcome in May 1940 leaving Britain cornered.
If you are referring to World War 2, Britain and France declared war on Germany on 3 September 1939, two days after Germany had invaded Poland.
Belgium
Austria, Czechoslovakia, and Poland (The U.K. declared war 3 days later, after Hitler ignored a British ultimatum to leave).
Britain and France declared war on Germany on September 3rd 1939, two days after Germany invaded Poland.
42
Germany started becoming aggressive in early 1938, annexing Austria and pushing into Czechoslovakia with Italian help, alarming Britain and France. The latter two declared war on 3 September1939 - two days after Poland was invaded. France was overcome in May 1940 leaving Britain cornered.
Britain declared war on Germany on 3rd September 1939, two days after Germany invaded Poland.
Germany made no mistake; France fell in 45 days.
Japan
Britain and France both declared war on Germany on 3 September 1939 - two days after Germany had attacked Poland.
Britain and France declared war on Germany on September 3, 1939. The reason was because Germany had launched a military invasion of Poland two days earlier, even though Britain and France had told Germany not to do so.
Britain and France declared war on Germany on September 3rd 1939 in response to the German invasion of Poland two days earlier.
Hitler was forced to travel southeast :)
Britain and France on 3rd September 1939 and Poland 2 days before on 1st September
Germany invaded during the early days of WWII.