francisco returned from 18 months of fieldwork in mongolia and is now writing the introduction to his new ethnography. by describing his language training, how long he spent doing research, and his prior experience as a peace corps volunteer, he is most likely striving to establish

The correct answer is a. when they started making tools that will them in cultivating lands, they could raise crops and that made them attached to one place for a longer period of time. after that, they started domesticating animals and building their own permanent settlements that resemble the ones we have today.

Answer flooding; i believe this is correct, plz check first///good luck;