 Complete the following phrase:  Lord Aberdeen 1784-1860 was a highly successful diplomat in many controversies from 1812 to 1856, but failed badly in handling the Crimean War and retired in 1856. In 1813-1814 as ambassador to the Austrian Empire he negotiated the alliances and ficing that led to the defeat of Napoleon. In Paris he normalized relations with the newly-restored Bourbon government and convinced London that the Bourbons could be trusted. He worked well with top European diplomats such as his friends Klemens von Metternich in Vienna and François Guizot in Paris. He brought Britain into the center of Continental diplomacy on critical issues, such as the local wars in 