Why is a forum useful to a city? A. It provides a place for people to gather
B. It offers a way to transport goods
C. It helps people defend their city
D. It allows armies to travel easily

Pls help :(

answer; john locke;

i believe the answer is: description

description refers to the goal of psychologist to identify the phenomenon that being observed. this goal is being actualized by collecting data/information from various clues that observed through the phenomenon. this goal must be accomplished before pyschologist able to create methods of treatment.