Employment means that unless you're covered by an employment contract or a collective bargaining agreement, employers can fire you at any time for any reason, unless the reason violates a legal statute.

the assumption the narrator makes in this excerpt is that the messages he heards were going to hurt the narrator's mom; the narrator just springs in to action. the narrator doesn't specify in this excerpt why he believes that the messages present a problem that requires protection.

answerjointly by the fed and by the behavior of individuals who hold money and of banks in which money is held;