What year was Badlands National Park redesignated from national monument to national park status?

What year was Badlands National Park redesignated from national monument to national park status?

A 1976
B 1978
C 1982

Fact: Badlands National Park was redesignated from a national monument to a national park in 1978. This change provided it with greater protection within the National Park System, enhancing its preservation status.

Correct Answer: 1978