And it has raised questions over whether a deal London thought was secure will now be sent back to the drawing board. ‘Great stupidity’The White House’s backing for the Chagos deal is crucial because the British territory of Diego Garcia in the Indo-Pacific hosts an important U.S.-U.K. military base. Trump had publicly indicated support for the deal in the past. Then came last week’s Truth Social broadside from Trump at what he argued is an “act of GREAT STUPIDITY” that would embolden Russia and China. The turnabout followed a fierce campaign of opposition to the deal from members of the British right, even before the agreement was formally signed in May last year.