The Philadelphia Plan was

A. a book that marked the beginning of the environmental movement.

B. Nixon's plan to increase funding for civil rights agencies.

C. Nixon's plan to secure the passage of the Equal Rights Amendment.

D. the first affirmative action program in the United States.

The answer is D

Option D, the first affirmative action program in the United States, is the right answer.

Explanation:

A federal affirmative action program, instituted in the year 1967 was known as the Philadelphia Plan. It was a plan which united the trade unions of construction. It was mandatory to hire the non-whites to achieve the obligatory goals.

This plan was declared illegal in the year 1968. However, the Nixon Administration and its associates in Congress defended a revised version of the plan.

The answer is D. It was in the 1960's under the Nixon Administration.