Johannes Gutenburg is the person you are looking for.
He attacked on Christmas. Puritans in the New World did not celebrate Christmas, but the Hessians (German mercenaries used by the British) certainly did. So the Americans launched a surprise attack on the Germans who were...ahem...celebrating, to put it mildly
They both worked as nurses for the Union army.
Answer: The answer is D.
Explanation: When the Europeans came to America, they brought diseases with them that killed millions of Native Americans. In addition, the Europeans and the Native Americans had many conflicts because the Europeans were taking over the lands of Native Americans.
Hopefully this helps!