It depends on the time era. In Ancient Rome, they had lack of sewers and sanitation.
Discrimination is the act of making unjustified distinctions between human beings based on the groups, classes, or other categories to which they are perceived to belong.
Steel and nickel is the answer of you're question
Social cognition is a sub-topic of social psychology that concentrates on how people process, repository, and implement information about different people and social conditions. It directs on the part that cognitive processes operating in our social synergies. The process of our thinking regarding others presents a significant role in how to recall, think, and communicate with the environment around us.
Answer:
Reassure your coworker. You could offer to read it after she is finished.