Affect or Effect
It is a noun meaning “outcome or result”.
The effects of the earthquake were overwhelming.
Before you make an important decision, always think about the possible effects of it.
Your advice had a tremendous effect on my decision.
It is a verb meaning “to change or to have an effect on”.
His success in management will affect our standing among the other departments.
The way she affected other students was admirable.
Your remarks have affected me a lot.
Select from effect / affect.