During the cold war, both leaders refrained from any physical or official acts of warfare. It mostly consisted of them taking control of foreign nations that were battling each other, but neither the US or Soviet Union declared war on one another. This was because it happened so soon after WWII that neither wanted to be held responsibly for another war.
In the Battle of "Gettysburg", a disastrous charge against forces holding Cemetery Ridge led to Confederate defeat, although it should be noted that the Union forces sustained heavy losses as well.
If i am correct the answer should be A. commemorate rulers and other important individuals
Shah Reza Pahlavi was a brutal dictator, but his departure did not mean Iran was more free. The Shah was pro-west, and would brutally crack down on any dissent. He was replaced by Ayatollah Khomeini, who helped to install a religous dictatorship in Iran. Everything that the Shah had stood for --- including the western world --- was now seen with open contempt by the government.