"Right now, everyone in Lebanon is afraid of shortages," said UNRWA spokesperson Huda Samra.
"The more they put pressure on us and say this is not our land, the more enthusiastic we become to get our land back," said one Palestinian refugee living in Beirut.
The Trump administration's need for public bombastic declarations instead of quiet diplomacy is wreaking havoc across the globe.
The United States cut its contribution to the U.N. agency for Palestinian refugees by 83 percent; officials said the results could soon be disastrous.
Trump's ambassador to the United Nations Nikki Haley threatened to turn off the tap for U.S. funding to Palestinian refugees.
The U.N. agency UNRWA has come under scrutiny since caches of weapons, such as rockets, were found stored in its schools and medical clinics in Gaza.
The U.N. also blamed Hamas for putting other U.N. schools at risk by storing weapons inside them.
The programme aiding over 100,000 people made homeless will be suspended after donors pulled out.