In 1980, Reagan signed the Alaska National Interest Lands Conservation Act, which protected more than 100 million acres of federal lands in Alaska, creating ten new national parks and enlarging three others. Widening the focus of the Park System, in 1988 President Ronald Reagan created a national park in American Samoa. Guess this was not enough for Ansel. By the way, Delaware is the only State without a national park.
No longer accurate. Delaware has a national park. It's the First State National Historic Park, located in New Castle, De .