prerogative

“His mindset is that the region is the U.S.’s backyard and his strategic prerogative, in the name of protecting the homeland and boosting ‘America First.’

Zelensky's original bill had stripped the two bodies of their independent authority to decide who to prosecute in high-level corruption cases, giving that prerogative to the general prosecutor - a presidential appointee.

Of course, executive orders are perfectly within the president's prerogative.

He accused the judges of “needlessly upending critical immigration policies that are carefully calibrated to deter illegal entry, vitiating core Executive Branch prerogatives, and undoing democratically approved policies that featured heavily in the November election.”

Every president inherits his predecessor's appointees, but has the prerogative to replace them.