Kennedy's term as ambassador and his political ambitions ended abruptly during the Battle of Britain in November 1940, with the publishing of his controversial remarks suggesting that "Democracy is finished in England.
Masa jabatannya sebagai duta besar dan ambisi politiknya berakhir tiba-tiba selama Pertempuran Britania pada bulan November 1940, dengan penerbitan pernyataan kontroversial menyatakan bahwa "Demokrasi selesai di Inggris.