U.S. President Donald Trump came into office promising to shake up Washington. A chaotic 24 hours gives a sense of how that may play out.

The president’s surprise announcement Monday night that he would halt trillions of dollars in federal spending to make sure government agencies’ outlays are aligned with his Make America Great Again agenda sowed panic in Washington and among local officials across the country.

Before the directive was temporarily put on hold by a judge, lawmakers fielded calls from concerned constituents, Democrats decried what they saw as an unconstitutional power grab and even some of Trump’s GOP allies expressed unease with the scale and suddenness of the moves. Were elderly cancer patients going to be cut off from treatment? Would school kids have to go without lunch?