Give a brief account of Hitler’s entry into the World War II

Give a brief account of Hitler’s entry into the World War II.
Answer:
In September 1939, Germany invaded Poland with the result that it started a war with France and England. In September 1940, Tripartite Pact with Italy and Japan and Germany was signed. By the end of 1940, Hitler had almost won all the wars. Hitler attacked the Soviet Union in June 1941. The Soviet Red Army gave a crushing defeat to the German soldiers. In the meantime, the US also entered the war when the Japanese bombed the US base at Pearl Harbor. The war ended in May 1945, with Hitler’s defeat and US dropping of atom bomb on Hiroshima in Japan.