1940, italy invaded from the south and Germany invaded from the north
(Austria-hungary) began to move troops but didn't declare war.
The allied troops
yes they have lots of troops and is my favorite country in europe
Austria (not Australia, which is on the other side of the world) was invaded and annexed by Nazi Germany in March 1938.Parts of Czechoslovakia were occupied by Germany after the Munich Agreement of September 1938, and then the country was totally destroyed in March 1939- the rest of the Czech part of the country was claimed by Germany, and the Slovak part became an independent country that Germany controlled.Operation Barbarossa, the German invasion of Soviet Russia, began in June 1941.
The last country to declare war on Germany during World War II was Brazil. This occurred on August 22, 1942, after German U-boats attacked Brazilian merchant ships, prompting Brazil to join the Allied effort against the Axis powers. Brazil subsequently contributed troops to the Italian campaign, marking its significant involvement in the war.
Because German troops had crossed the border into Belgium, contravening a longstanding treaty that guaranteed Belgian neutrality.
Germany
In the United States, the congress has the power to declare war. The president haspower to mobilize troops to repel attacks.
The USA declared War on Germany in 1917, after Germany tried to get Mexico to declare War on the USA. 1917 is the year the USA first sent soldiers to fight in Europe.
Germany does
His lightenig war was the blizkrieg tactic where you use a masive force of light and heavy armored vehicles