In this subchapter:

(1) Affiliated area

The term “affiliated area” means a site associated with a court case included in Brown v. Board of Education of Topeka described in paragraph (8), (9), or (10) of section 410iiii-1(a) of this title that is designated as an affiliated area of the National Park System by section 410iiii-5(a) of this title.

(2) Historical park

The term “historical park” means the Brown v. Board of Education National Historical Park as established in section 410iiii-2 of this title.

(3) Secretary

The term “Secretary” means the Secretary of the Interior.