Answer:
sons to share the usable land they inherit.
Explanation:
Nyinba in Nepal
They often have a form of marriage called the fraternal polyandry. Sometimes, some brothers can divorce and turn monogamous. there is a form of virilocal and patrilineal kinship that is wives marry all brothers in household
. The economy of the nyinba's is mostly farming, herding, long distance trade and a system that is facilitated by marriage practices.
They are known to have lots of influence on china and india where also they have a rugged territories usually isolated by mountains, isolated, not a lot of outside contacts, culture unchanging, generation to generation.
Marriage of sororal (sisters) polygynous polyandry is also practiced.
Polyandry
This is also a form of birth control, it is where 1 women can marry many husbands. in Nyinba, wife must treat all husbands equal to preserve family
Nyinba women in Nepal and Tibet may have more than one husband simultaneously, which allows for sons to share the usable land they inherit.
