what is your idea towards sex discrimination?

personal idea on sex discrimination

We have many kinds of discrimination in the world,among them, sex discrimination is the most common one as well as the most wide-spread and influential one I think.
Maybe this kind of bias have come into being even at the stone age, at a time when people were rely mainly on mannul power to fight animals and collect food,productivity then made men more powerful than their counterparts.
But now, we have entered the times of science and technology, we have smarter girls and some of them are now working in critical fields like engineering,space flight, nuclear control,and alike that were mainly given to men, especially in well-developed countries like the U.S.A. women share freedom of the same amount with men and carry out their tasks perfectly or even better than men.
but we still have sex discrimination in less developed nations or those with profound feudal influences like Japan, China and other countries where women are t