Answer:
Comma, or Colon.
Explanation:
Commas seperate , and show clarity to a definition . (i've seen this ques. on usatestprep)
Harriet Tubman highlighted the trait of defiance in the line above
Answer:
Abstruse means "difficult to understand".
Well, this may be a vague explanation, but, dropping out of school makes it look like you hate school so much you drop out... and then peoples' opinions come in, and they label the dropouts as "punks" or even, sometimes, "delinquents".