12) C 14) b. 15) A hope it helps
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Taking into account the statement above: "Briefly discuss what led to the rule of the ""Thirty Tyrants"" and the effect this rule had on Athens."
The Thirty Tyrants reduced the rights of the Athenian citizens in order to institute an oligarchical regime. Led by Critias, "the Thirty Tyrants" presided over a reign of terror in which they executed, murdered, and exiled hundreds of Athenians, seizing their possessions afterward.
Hope this helps.
Radiocarbon dating is the method of dating bone that would yield the most accurate results. This kind of dating technique is used for determining the age of any object that contains organic materials in it. This is the method that was developed by a person named Willard Libby in the late 1940s. Libby got the Nobel Prize in the year 1960 for his great work.