Why was it important to know whether an immigrant could read and write?

Explanation:

First off if an immigrant also known as a "Alien" to the country because they know nothing about the u.s. would need to know how to do these things in order to become a citizen of the United States. If they are illiterate they cannot pass the test therefore kicked out of the country.

these acts divided the south into five military districts.

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.