[4] In the latter parliament, he was active in the impeachment of the Duke of Buckingham during the crisis of 1626 that followed the aborted expedition to Cádiz,[7] when Digges and Archbishop Abbot co-operated to co-ordinate the attacks in the Houses of Lords and Commons.In 1628, Digges was elected MP for Kent and sat until 1629 when King Charles decided to rule without parliament for eleven years.[3] Digges published several political and economic works, The Worthiness of Warre and Warriors (1604), The Defence of Trade (1615), Rights and Privileges of the Subject (1642), and, posthumously, The Compleat Ambassador: or Two Treaties of the Intended Marriage of Qu.Elizabeth of Glorious Memory (1655), a notable study of the two French marriage embassies, of Anjou and of Alençon, which revealed in unprecedented fashion the official despatches and correspondence and is a landmark in English historiography.Digges left a fund in his will that provided, for some 200 years after his death, an annuity of £20 as prize money for races between the men and women of the parish of Chilham, Kent.