 Complete the following phrase:  In 1916 the Easter Rising succeeded in turning public opinion against the British establishment after the execution of the leaders by British authorities. It also eclipsed the home rule movement. In 1922, after the Irish War of Independence most of Ireland seceded from the United Kingdom to become the independent Irish Free State but under the Anglo-Irish Treaty the six northeastern counties, known as Northern Ireland, remained within the United Kingdom, creating the partition of Ireland. The treaty was opposed by many; their opposition led to the outbreak of the 