Who was the founder of the communist ideology

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast

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.