The correct answer to this question is option A – Poland Of all the options (countries) mentioned above, Poland is the country that Germans invaded during the Second World War. On the 17th of September 1939, Poland was invaded by Germany on the North, South, and West. About 1.5 million German forces carried out this operation. The battle only lasted about a month.
Under the leadership of Hitler, Germany invaded many other nations across Europe and Africa during the Second World War. The purpose of invading the nations varied from one country to another. Other countries invaded by Germany include Austria, Norway, Denmark, Belgium, Hungary, Bulgaria, USSR, Greece, The Netherlands and many more.