The mongol empire covered vast lands; the mongols themselves were known as
multiple generations of military people.
nomadic herdsmen with with excellent equestrian skills.
fierce and ruthless warriors.
explorers seeking additional agricultural land.

According to the statement "The Mongol Empire covered vast lands; the Mongols themselves were known as" and the set of options, the answer is C.

A. multiple generations of military people.

B. nomadic herdsmen with excellent equestrian skills.

C. fierce and ruthless warriors.

D. explorers seeking additional agricultural land.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.