Answer:
d. Farming was difficult in that area.
Step-by-step explanation:
The settlers did not find it easy to establish agricultural crops in this region. agriculture was one of the most important elements for the success of a colony and for some time it was considered that colonies in the east of new mexico would not be possible due to the difficulty in establishing agriculture.
After a while, it was possible to implement crops, but in a difficult, expensive and not as productive way as in other regions, being preferable to establish the herding of animals.