Answer:
It shall guarantee the rights of all workers to self-organization, collective bargaining and negotiations, and peaceful concerted activities, including the right to strike in accordance with law. They shall be entitled to security of tenure, humane conditions of work, and a living wage.
C I believe but could be wrong
The correct answer is A.
A direct address is the name of the person who is being directly spoken to (note that it is not just any name - as you can see in this example, Sarah is not a direct address because she is being mentioned, not spoken to). A direct address is also often set off by commas. In this example, Sam is being told to come inside, so we know that this is the direct address.