In medicine, ablation is the same as removal of a part of biological tissue, usually by surgery. Surface ablation of the skin (dermabrasion, also called resurfacing because it induces regeneration) can be carried out by chemicals (chemoablation), by lasers (laser ablation), or by electricity (fulguration).
The struggle for supremacy in Greece that had begun eighty years earlier with the outbreak of the Peloponnesian War had finally ended in a stalemate of exhaustion that opened the way for a new powerâ the kingdom of Macedonia. The Annenberg CPB/Project provided support for entering this text.
The main cause of the Peloponnesian War was Sparta's fear of Athens' growth. Sparta feared the growth and the power of Athens. As Athens gained more control and power in the Delian League, a coalition of Greek states whose purpose was to provide a navy for defense against the Persians, Sparta was concerned its own power would be reduced and Athens would take over.