Who fought on the side of Austria-Hungary in world war 1?

Why didn't the president and federal government stop racial discrimination? What Supply problems the Allies face in Europe during World War 2? What president decided that the price for inactivity in World War 1 was going to be greater than the price to pay for entering the war and therefore the US should join World War 1? What began the british invasion? What diseases did people get in World War 2? What was the impact of the attack on Fort Sumter? Why did al-qaeda attack on 9-11? What was the outcome of McClellan's offensive? How did the Kansas-Nebraska act lead to bleeding Kansas? What was the reason for military districts after the civil war? Why do some countries help rebuild other countries after a war? Was the hydrogen bomb used in a war? What was an argument of doves against Vietnam war? Why are flags flown at half mast on ANZAC day? In World War 2 British made a famous evacuation from? What clothing materials were used in 1910? Why did they call Henry lee as Light-horse Harry? Western countries wanted control of territories in the Middle East because of what? Where was Francisco Franco death place? What war was the b17 used in?