 Complete the following phrase:  In the 1820s, the British government was formally headed by King George IV, but in practice, was led by his Prime Ministers Lord Liverpool 18121827, George Canning 1827, Lord Goderich 18271828, and Duke of Wellington 18281830. This decade was largely peaceful for Britain, with some foreign intervention. The British supported the Portuguese liberals in the Liberal Wars, and supported Greek rebels in the 