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.
Causes of WWIIâ Treaty of Versailles, Failure of the League of Nations, and Policy of Appeasement. The Treaty of Versailles. The Treaty of Versailles made at the end of WWI was a major cause of the Second World War.The Treaty of Versailles had severe conditions and demanded Germany to pay a huge amount of money for the damages that they had done to the victorious countries.he failure of the League of Nations also contributed significantly to the Second World War. After WWI ended, countries such as Canada, France and Britain. formed the League of Nations, an international organization intended to maintain world peace.