intelligence
intellect
subliminal thinking
subliminal thinking
A philosopher
Any shop that sells what is called fast-food. The reason they are unhealthy is that they usually cater to peoples' cravings and not nutritional needs.
a student's ability to reason using math
For the same reason that people shorten peoples' names, e.g Frederick into Fred. It's just a human trait.
they got beaten everyday for no reason
Their actions were a cleansing the land, which it was believed that Okonkwo had polluted.
The reason why the curriculum will have psychology is so that people may understand to relate with each other more, based on the ability to understand the motives behind some of their words, thoughts or actions.
because of religion reason
The typical reason given was to try it out before buying it.