Aid has emerged as a key foreign policy tool for Trump’s White House. Despite promises to slash assistance, spending on the Middle East is set to rise. 

Donald Trump took to Twitter on 7 February: “After so stupidly spending $7 trillion in the Middle East, it is now time to start investing in OUR Country!”  sentiment echoed throughout his “America first” presidential campaign. Days later, the White House released its draft budget for the 2019 fiscal...