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.
The main purpose of the Thirteenth Amendment was to abolish slavery.
Answer:
c. hardened racial divisions in American life.
Explanation:
Between the year 1950 and 1970 , the way of segregate American life was the suburbs , because , the suburbs became dominant in the cities , and ,
hence , it is also known as white fight , there was the practice of prejudice by the suburbs in the planners and banks .
Hence , the correct answer for the given information is c. hardened racial divisions in American life .