Why did Denmark join WW1?

What was being taught in the school system in Japan during World War 2? Why did african americans leave the south after the civil war? How did music change after world war 2? Who was a famous conscientious objector in world war 2? How far is manila to bataan? What is a leader of a army called? How did northerners and southerners view john brown? why was bull invented? How many years passed between the official beginning and the end of World War 2? Who was the US President during World War 1? What army did the German General Rommel lead in the battles of North Africa in World War 2? Why did people in the union wanted to enlist in the army and go to war? What flag has horizontally red then blue then green? What was bombed in crewe in the war? When was Spanish ironclad Numancia created? Why was the Battle of Bull Run a surprise? Dress up what were you wearing when the ship went down in 1917? How many casualties did the allies suffer during the 11 weeks at battle of d day? What does hmpu mean? Which of these battles was not related to Japanese aggression in the Pacific region?