START I and START II (known collectively as the Strategic Arms Reduction Treaty) are treaties that reduce the number and type of nuclear arms held by the United States and Russian Federation. Therefore the answer is B.
I believe that was the Crusades.
Why would a child be sent home in Ellis Island?
If immigrants had any of the diseases proscribed by the immigration laws, or were too ill or feeble-minded to earn a living, they would be deported. Sick children age 12 or older were sent back to Europe alone and were released in the port from which they had come. So It seems A is the right anwser.