Minoan civilization to draw hard-and-fast conclusions from the evidence and Evans' idealistic view has been questioned. No evidence has been found of a Minoan army or the Minoan domination of peoples beyond Crete, and few signs of warfare appear in Minoan art: "Although a few archaeologists see war scenes in a few pieces of Minoan art, others interpret even these scenes as festivals, sacred dance, or sports events" (Studebaker, 2004, p. 27). Although armed warriors are depicted as stabbed in the throat with swords, the violence may be part of a ritual or blood sport. On mainland Greece during the shaft-grave era
Minoan civilization is characterized by affluence (wealthy tombs, burials and art) and ubiquitous Knossian ceramic styles, by LM IIIB Knossos' wealth and importance as a regional center apparently declined. Significant remains have been found above the late Minoan I-era Thera ash layer, implying that the Thera eruption did not cause the immediate collapse of Minoan civilization. The Minoans were a sea power, however, and the Thera eruption probably caused significant economic hardship. Whether this was enough to trigger a Minoan downfall is debated. Mycenaean Greece conquered the Minoans during the late Minoan II period, and Mycenaean weaponry has been found in burials