During the interwar period the Round Table groups continued to advocate a policy of collaboration among the Dominions of the British Empire (Canada and Newfoundland, Australia, New Zealand, Union of South Africa, and the Irish Free State) together with the United States. However, its embrace of the "Commonwealth" ethos also led it to support movements for self-government within the Empire such as the Anglo-Irish Treaty of 1921 and the Indian reforms of 1919 and 1935. In the late 1930s the contributors to the journal were split between those who advocated appeasement and those that did not. The Round Table continued to exist for some time as a Commonwealth ginger group, designed to consider and influence Commonwealth policies, but since the 1980s has largely been a forum for discussion of Commonwealth matters. Prominent members of the Round Table 'moot' in the first half of the twentieth century included   Prominent members of the Round Table 'moot' in the second half of the twentieth century included   Irish American academic Carroll Quigley believed that the Round Table Group was the front for a secret society for a global conspiracy of control set up by Cecil Rhodes named the "Society of the Elect"  to implement Rhodes's 'plan' to unite all English-speaking nations, and further believed that the elite of the British empire had an undue influence on the American elite. Sir Ivison Macadam thought Quigley was "crazy". As one writer noted, the "tragedy of Quigley was his conviction that he was outside of an inner circle that itself did not exist"