Castlereagh's great efforts were rewarded by a declaration that the slave trade was to be abolished, though each power was left free to fix such a date as was most convenient to itself.
And x., Castlereagh's Letters and Despatches, vol.
He remained in France until February 1815, when he took Lord Castlereagh's place at the congress of Vienna.
The fate of Parga created intense feeling at the time in England, and was cited by Liberals as a crowning instance of the perfidy of the government and of Castlereagh's subservience to reactionary tendencies abroad.
Though alarmed by the revolutionary agitation in Germany, which culminated in the murder of his agent, the dramatist Kotzebue, Alexander approved of Castlereagh's protest against Metternich's policy of " the governments contracting an alliance against the peoples," as formulated in the Carlsbad decrees, 1819, and deprecated any intervention of Europe to support " a league of which the sole object is the absurd pretensions of absolute power."