What is the District of Columbia and where is it located?

Washington, D.C. (also known as simply Washington or D.C., and officially as the District of Columbia) is the capital of the United States. "D.C." stands for "District of Columbia".

To avoid confusion, the city is often called simply D.C. and the state is often called Washington state. Washington, D.C. is the capital city of the United States of America. “D.C.” stands for the District of Columbia, the federal district containing the city of Washington.District of Columbia is our nation's capital.

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answer; george herbert mead;

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.