What happened on Dec 7 1914?

Who was the president who applied the policy of containment during the cold war? What determined the status of slavery in territories in the 1850s? Who made the civil war cannon? What wars were caused by greed? Why did The US abandoned neutrality and entered World War 1 on the other side of the allies? What is the country with the best land army? Who was the iron willed Delhi sultanate? In the 1960s both and the US had nuclear warheads ready to fire upon each other at any moment.? What ship during the Holocaust did America refuse to help? What is a boy called during the second stage of training to be a knight? What is England like now? When did US declared war to Germany? Where were the German navy during Normandy invasion? What happen to chocolate ration in 1984? Where were the female prisoners in the Holocaust? What was a good thing that the Manhattan project brought? What is a muslin bandage? What are the lyrics to World War 1 song my buddy? Did women serve in the American army on both sides in the Civil War? Did World War 2 happen over night?