How did the district of columbia obtain the ability to play a role in the presidential selection process?

A. The original wording of the constitution recognized District of Columbia as a state. b. The U. S. Constitution was amended to include the District of Columbia in the electoral college. c. The District of Columbia became a state in 1961 and as a result, it gained electoral votes. d. The District of Columbia’s representatives in the U. S. House and senate introduced legislation to make the change. e. A federal law was created that extended the right to vote to citizens of the District of Columbia.