Which contemporary domestic issue do you think will have the most significant impact on the United States in the next few years? Why? How will it impact the US
economy, politics and culture?

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.