The US thought they could wear down the Vietcong with high casualties but the Vietcong saw the battle as a fight for their lives so they didn't wear down easily. Hope this helps!
Answer:
Japanese smiths traditionally use tama-hagane, steel produced in a tatara smelter from iron-rich sand. Modern smiths making Japanese katana's in the traditional manner still use this type of steel today, now produced in the last operating tatara smelter, located in Yokota, Shimane Prefecture.
while chinese had crucible steel used in the Chinese swords, called chi-kang (combined steel), was similar to pattern welding, and edges of it were often forge welded to a back of soft iron, or jou thieh.
It’s victory against Carthage in the second century bc
