Except this statement is wrong. The veil that Middle Eastern wear, for example, is from Sumer. Blame the onset of Agriculture. Women had to stay home and care for children while Men could go out and do politics. Over time, a great divide occurs. There are some cultures that did not follow the patriarchal system as seen in Mongols or Vikings, and even Spartan women had many rights in comparison to Athens Women. -Moon Water-
Makes a mockery of the REAL reason Spartan women were valued (only Spartan mothers bear Spartan sons) but it's an interesting example of the fictional female armor being LESS revealing than the historical male version.