Final answer:
The best related statement for the words 'employ' and 'expel' is (c), where employ means to use and expel means to remove.
Step-by-step explanation:
The statement that best explains how the words employ and expel in the paragraph are related is (c) Employ means to use, and expel means to remove. The word employ generally means to make use of something or someone for a particular purpose, which can include hiring someone for a job. On the other hand, expel refers to the act of forcefully removing someone or something from a place, organization, or institution. In the context provided, expulsion clearly indicates the removal of a subordinate group by a dominant group from a certain area or country. This meaning aligns well with the definition of expel as to remove. Hence, the relationship between the two words is one of action and counteraction, where employ is about utilizing or bringing in, and expel is about forcing out or removing.