The correct answer is c.Because it’s given lots of information so I would suggest c.
It was primarily "<span>d. the vulnerability to invaders from the north", since the Mongol territory was rapidly expanding--making the Mongol warriors all the more powerful. </span>
Please help i will give you 90 points: How did Susan B. Anthony affect the women's suffrage movement?
She served as president of the the National Women's Suffrage Association.
She started a feminist newspaper that focused on abolition.
She was a traveling African American preacher who made speeches about abolition and women's suffrage.
She created the National Women's Party, which was known for bold protests.