In countries such as Saudi Arabia, only recently were women allowed to drive legally. For me, I would say one of the biggest unjust laws in other countries is the lack of freedom and equality that women have. Even in the United States, men typically get a higher pay than women doing the same job. Just how society views women in other countries is unjust. Women are people too. Women are the reason that men are brought into this world.
Hope this helps :)