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>
I think the correct answer from the choices listed above is option B. In the late 1800's, the focus of the Farmers' Alliances was to organize large regional groups. Hope this answers the question. Have a nice day. Feel free to ask more questions.
The treaty added an additional 525,000 square miles to United States territory, including the land that makes up all or parts of present-day
Hope this help
It was a way of making sure they weren't followed or shot in the arce as they were running away