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.
How was the League of Nations formed? The United States formed the League of Nations to overcome the effects of the Great Depression. The Central powers formed the League of Nations to combine forces against the Allied powers. Germany formed the League of Nations to gain allies and acquire territory during World War I.