After the invasion of France, Hitler formed an alliance with Italy's fascist dictator Benito Mussolini, and together with Japan, the three countries made up the Axis powers.
Just a few days after the invasion of Poland, Great Britain and France declared war on Germany, and war swept through Europe, leaving a bloody trail in its wake. After the invasion of France, Hitler formed an alliance with Italy's fascist dictator Benito Mussolini, and together with Japan, the three countries made up the Axis powers.