WORLD HISTORY

Detailed explanation-1: -German troops invaded Poland on September 1, 1939, triggering World War II. In response to German aggression, Great Britain and France declared war on Nazi Germany. Nazi Germany possessed overwhelming military superiority over Poland.

Detailed explanation-2: -The Battle of Westerplatte was the first battle of the German invasion of Poland, marking the start of World War II in Europe. It occurred on the Westerplatte peninsula in the harbour of the Free City of Danzig (now Gdańsk, Poland).

Detailed explanation-3: -The “reason” given was that Russia had to come to the aid of its “blood brothers, ‘’ the Ukrainians and Byelorussians, who were trapped in territory that had been illegally annexed by Poland. Now Poland was squeezed from West and East-trapped between two behemoths.

Detailed explanation-4: -World War II, also called Second World War, conflict that involved virtually every part of the world during the years 1939–45. The principal belligerents were the Axis powers-Germany, Italy, and Japan-and the Allies-France, Great Britain, the United States, the Soviet Union, and, to a lesser extent, China.