<span> feelings of discontentment among women were growing but still could not be expressed openly</span>
The counterclaim is students with phones are at a disadvantage.
Answer:
Semi-colon
Explanation:
Looking at the sentence, a comma would not work in this situation. If you use a comma the word <em>but, or, and</em>, etc. have to follow. Since that is not here, it is a semi-colon.<em> </em>