The Ku Klux Klan was created after Abraham Lincoln had claimed slavery was no longer legal. The KKK went around, killing black people and such. They also protested around the segregation process. They are still around to this day, but I don't believe that are killing anymore.
Hey there!
The Battle Of Marathon was an intense battle of the Greco-Persian wars that was about sacrifice and never giving up.
The Greeks, as always, had a smart plan. They fought on a thin, hard to fit through mountain pass and they used phalanxes and defeated the Persian Hoplites and Immortals. They thought they had victory, but eventually, the way around the pass was given to King Xerxes of Persia by a Greek traitor and the Persians one.
False, because he actually sailed to the North Pole instead, (Antarctica actually, I just like saying the home of Santa Claus instead :D).
C would make sense because by not talking to other nations, there not a chance you would make war with one and another.