In some cases, patients with migraines experience specific warning symptoms, or an aura, prior to the onset of their headache. These warning symptoms can range from flashing lights or a blind spot in one eye to numbness or weakness involving one side of the body.
What major Allied power refused to join the League of Nations following the end of World War I? France Great Britain United States Russia. UNITED STATES refused to join the League of Nations following the end of World War I. Log in to see link for more information.
Both nations were eventually admitted to the League, but both left during the 1930s, along with foundation member Japan. Many have pointed to the League's inability to enforce any of its resolutions in the face of aggression and the absence of key nations as primary causes of the Second World War.