What was the purpose of the poll tax and the literacy test

The poll tax and literacy test were ways to stop African Americans from voting. Most people who recently just got freed of slavery were poor and could not read, which were requirements to vote under these new rules.

(B) Factor rating

Explanation:

 The factor rating is the process of analyzing the location which include both the consideration that is qualitative and the quantitative. It  basically evaluates the alternative method and also helps in establish the alternative composite value of the specific location.

The factor rating is one of the technique which helps in the evaluation process based on the selected factors. The factor rating is also known as the location selecting method as it convert all the difficult issue into the simplest format.  

Therefore, Option (B) is correct.