But the angel of Yahweh did no more appear to Manoah or to his wife. Then Manoah knew that he was the angel of Yahweh.
"Besides their warlike nature, effective political organization and economic power, as the result of the fertile farming section they inhabited, Philistine militarism, which was a continual threat to Israel, was explainable by their early control of the iron monopoly. Iron came into widespread use in Palestine around 1200 B.C. Philistines knew the secret of smelting it, which they evidently got from the Hittites. They were able to import, smelt, and forge iron and made use of various iron military weapons. By enforcing a rigid monopoly over Israel, the Philistines were able to make great strides in military encroachments upon Israelite territory [cf. 1 Samuel 13:19-22]. . . .