After the western roman empire fell to germanic invaders in the fifth century a. d, the eastern part of the empire eventually became known as the ?

1. byzantine empire

2. carthaginian empire

3. islamic empire

4. persian empire

d) he bring down boss tweed and tammany hall.

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.