Female supremacist worldbuilding thread.

Tell us about your matriarchal world and how it functions.

Questions
>how are men treated in your world? Does it have gender roles, and if so, what are they and how strict are they
>what are the politics and social systems like with women being dominant over men
>how is the matriarchy enforced? Are there laws and punishments or social pressures?
>does your world have a great deal of sexual dimorphism? If so how much, and how do the sexes differ
>how did the world get this way