Which new weapon was introduced during the hundred years' war? a. rifle b. crossbow c. armor d. longbow

c is the correct answer for this question.

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.