As the White House paused federal grants and loans in a far-reaching executive order, early childhood education centers and states discovered Tuesday they could no longer access money they rely on to provide care for some of the nation’s neediest families and children.

President Donald Trump's order to pause all federal grants and loans sowed widespread confusion on Tuesday over its impact on far-reaching programs such as Medicaid, sending nonprofits and government agencies scrambling to understand its scope and prompting immediate legal challenges.