Fulfilling a campaign promise, President Trump has signed an executive order that seeks to overhaul the way the U.S. manages homelessness.

The order signed Thursday calls for changes to make it easier for states and cities to remove outdoor encampments and get people into mental health or addiction treatment. That includes involuntary civil commitment for those "who are a risk to themselves or others."

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The White House action also seeks to shift federal funding away from longtime policies that sought to get homeless people into housing first, and then offer treatment. Instead, it calls for prioritizing money for programs that require sobriety and treatment, and for cities that enforce homeless camping bans.

It also directs the departments of Health and Human Services, Housing and Urban Development, and Transportation to assess federal grant programs and prioritize places that actively crack down on illicit drug use, urban camping and loitering, and urban squatting "to the maximum extent permitted by law."

(iv) enforce, and where necessary, adopt, standards that address individuals who are a danger to themselves or others and suffer from serious mental illness or substance use disorder, or who are living on the streets and cannot care for themselves, through assisted