The answer is...A! If government did that, we'd always be at war.
Answer: Ecological Succession {Succession}
Explanation: During succession the organisms within an ecosystem can change it's abiotic conditions.
The fundamental cause of the Peloponnesian War was Sparta's dear and jealousy of the power and wealth of Athens. This caused Sparta to push many city-states to turn against Athens, as well as some citizens of Athens to turn against their own city-state. The Peloponnesian War was fought in three stages or phases as historians like to call them and took place from 431-404 BC.
Reformers worked to change schools by making them more: C.) Accessible to everyone