The correct answer is the preconscious layer of <span>consciousness.
The </span>preconscious refers to thoughts and knowledge that is part of our unconscious mind, but is not repressed. Due to this, preconsious thoughts and knowledge can be retrieved and recalled as and when needed. Information in the preconscious mind does not need to be in the conscious mind for it to be retrieved and available.
Human Factors is the correct answer.
In Psychology, Human Factors (also known as human engineering or ergonomics) is the area of studies that focus on human behaviors and capabilities, how workers interact with the work tools and how we can create these tools to optmize worker's productivity, health and safety.
Moctezuma was the leader of the Aztecs
The northerners lost interest because they felt it was time for the south to solve their own problems by themselves.<span />