Answer: Means that you should be self reliant when working on your own mind to gain knowledge and not letting anyone else change your thoughts.
Your answer is A. True
Hope this helps.
<span>Race created a divide and a barrier between the nativists and the Mexicans, as the nativists felt that they were in a higher class compared to the Mexicans. They felt that they were dirty and did not like to associate themselves with them at any cost.</span>