Trump has been pissed off at the National Parks ever since they didn't let him build a golf course in a park in New York. Trump in his usual satan style is out for revenge and to make deals for Ivanka. Trump blames New York state for one of his failed golf course.
https://www.bloomberg.com/news/articles/2019-06-14/failed-trump-golf-course-turned-into-dilapidated-n-y-state-park