World War I Germany's unfettered submarine warfare against American ships during World War I provoked the U.S. into abandoning the neutrality it had upheld for so many years. The country's resultant participation in World War I against the Central Powers marked its first major departure from isolationist policy.
The 20th Century: The End of US Isolationism. Against the recommendation of President Woodrow Wilson, the U.S. Senate rejected the war-ending Treaty of Versailles, because it would have required the U.S. to join the League of Nations.
The South African Native National Congress also known as (SANNC). They worked with Adrican National Congress (ANC) to eliminate that racial oppression.
