What specific document was mandated by NEPA for major federal actions significantly affecting the human environment?

Answer

Environmental Impact Statement (EIS)

NEPA specifically mandated that federal agencies prepare an Environmental Impact Statement (EIS) for any proposed major federal action that would significantly affect the quality of the human environment.

What specific document was mandated by NEPA for major federal actions significantly affecting the human environment?
inventionenvironmentassessmentimpactregulation