Answer:
They were herders
They were skilled at archery
Step-by-step explanation:
The other two options explain behavior, which doesn't answer the question, and success, which is the consequence of being a great warrior, but not the reason for them to be great.
Mongols were herder thus the expertise of riding was significant out on the steppes. Horses were utilized by the Mongols as an incredible instrument that was ver incremental to their prosperity.
A similarly prestigious acknowledgement was attributed to the Mongol people's aptitude in utilizing the bow. Children would begin to shoot with bows and arrows at the same time that they were learning how to shoot. Many used to practice those skills by hunting little animals.