D)
i. The Peloponnesian War ended- fought between Athens and Sparta from 431 to 4040 B.C.
ii. Athens and Sparta declined.- Athens fell with the end of the Peloponnesian War in 404 B.C. This also affected Sparta which decisive decline was after the Battle of Leucra against Thebes in 371 B.C.
iii. Philip II conquered Greece. - Philip of Macedon started his campaigns over Greece in the 350's B.C. In the 356 B.C. he was part of the Third Social War, he conquered over the years most of Greece.
iv. Alexander III became king. - Known as Alexander the Great, ruler of Macedonia. In 336 B.C. his father Philip was assassinated, he became king woth only 20 years old.