He proposed the "Provisional Act" that would both maintain the ultimate authority of Parliamentary sovereignty, while meeting the colonial demands. The Lords defeated his proposal on 1 February 1775. Chatham's warnings regarding America were ignored. His brave efforts to present his case, passionate, deeply pondered, for the concession of fundamental liberties—no taxation without consent, independent judges, trial by jury, along with the recognition of the American Continental Congress—foundered on the arrogance and complacency of his peers. After war had broken out, he warned that America could not be conquered.
What if the House of Lords had listened to Pitt's proposal/warnings on the American colonies?