What role did both men and women among Plains Indians share?

Apassing along traditions and knowledge

Bsupervising spiritual life and rituals

Cgathering and preparing food

Dwaging war to defend or extend territory

In what ways did the nation's growing transportation system help promote economic growth?

Ait made it easier for Native Americans and freed African Americans to obtain the same goods as white people, boosting demand.

Bbecause it added costs for the delivery of goods, it made more profits for the manufacturers.

Crailroad debates and pools brought down prices for small farmers, who could then afford to modernize their equipment.

DIt opened up national markets for selling and obtaining resources and helped lower costs of production.

Please help. I need to know if my answers are right. If they're not please explain why. Thank y'all so much! If you have a question please don't put it in the answer section, that's not fair for the people that are helping me and deserve the points. Thanks!