Answer:
racism
Explanation:
during the civil rights there was a lot of people that didn't like other races in America.
This is false!
Whenever you use a source in your work, or an idea that is not yours, you should cite it. This applies to unpublished work, too.
Think about like this- in this case no one can ever accuse you of plagiarism- after all you were open about the source in the first place!
There is not an official number but there is the famous Five Word Rule. It states that if 5 consecutive words are used as someone else wrote them then it can be considered to be plagiarism even though you might not have wanted to plagiarize and genuinely had the same thought.
I think it’s a statement that explains the main idea