There have been a lot of historical events that are important to American citizens. One thing you could write about is suffrage, the right gained for women to vote. Obviously, that is important to American citizens because now women are allowed to vote.
It would be "(D) The Philippines, Guam, and Puerto Rico" that were acquired by the United States as a <span>result of the Spanish-American War, since these had previously been owned by the Spanish, who lost the war. </span>
The deadliest death camp in the Holocaust was Auschwitz II-Birkenau, near Brzezinka village in Poland.
You didn’t upload a picture of the map.