U.S. Ambassador to the United Nations Nikki Haley is proposing a sweeping reassessment of U.S. foreign assistance with a view to punishing dozens of poor countries that vote against U.S. policies at the U.N., according to a confidential internal memo drafted by her staff.

The move to make foreign aid conditional on political support follows a U.S. decision to cut tens of millions of dollars in assistance to Palestinian refugees, a cut made in retaliation for Palestine’s sponsorship of U.N. resolutions denouncing U.S. President Donald Trump’s controversial recognition of Jerusalem as Israel’s capital. Haley now wants to apply a similar principle to decisions about aid to other needy countries.

“It is the opinion of the U.S. mission to the U.N. that all U.S. foreign assistance should be reevaluated to ensure that taxpayers dollars are spent to advance U.S. interests, not to fund foreign legacy programs that provide little or no return on investment,” according to the 53-page memo, which was reviewed by Foreign Policy. The Palestinian aid cuts “should serve as a fulcrum from which we use our foreign assistance leverage and measure its impact.”