The Final End of Athenian Democracy. A year after their defeat of Athens in 404 BC, the Spartans allowed the Athenians to replace the government of the Thirty Tyrants with a new democracy. Only a decade later Sparta had been reduced to a shadow of its former self. But Thebes' dominance of Greece would be short-lived.
D - Failures.
The only attempted british colony in North America before 1600 was Roanoke, Virginia, which was a total failure. England claimed several areas, including Newfoundland, but made no sustainable attempts to colonize them before 1600.
What fueled economic growth but also enflamed old rivalries and contributed to two major wars in the twentieth century was Rearmament.
Cave art could possibly be an answer