*Trump administration asks Supreme Court to allow it to withhold court-ordered money for SNAP benefits

*Appeals court had declined to set aside Rhode Island judge's order requiring full funding

*USDA begins making funding available

*Group says not funding food stamps would harm 1 in 8 Americans

(Adds details on Supreme Court appeal in paragraphs 1-5)

By Nate Raymond, John Kruzel and Leah Douglas

WASHINGTON, Nov 7 (Reuters) - President Donald Trump's administration on Friday asked the U.S. Supreme Court to halt a judge's order requiring it to promptly fully fund this month's food aid benefits for 42 million low-income Americans during the ongoing U.S. government shutdown.

The administration filed an emergency request asking the justices to act within hours to put on hold a Rhode Isla

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