4 would be right from what i've read.
Soldiers from Thebes, Sparta's ally, tried to seize control of a town called Potidea. Caught and imprisoned, the townspeople put all 200 members of the advanced party to death. A messenger was sent to try and stop the kiling but by time the war had already started
An effect of the discovery of the New World in the late fifteenth century was a global exchange of plant life as different plants were transported to America where they thriwed, but different plants were also transported back to Europe and thriwed there as well.
9 x 4 = 36. Hope this helps!