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| | United States involvement in the Vietnam War -- Britannica Student Encyclopedia (Site not responding. Last check: 2007-10-09) |
 | | On August 7, at the urging of President Lyndon B. Johnson, the United States Congress responded by passing the Tonkin Gulf resolution, which authorized the use of American military force in Vietnam. |
 | | The climate of cultural diversity that prevailed in the United States at the end of the 20th century was a product of both political upheavals, such as the civil rights movement, and economic ones, such as the migration of Third World peoples to more prosperous industrialized nations. |
 | | Official Feb. 7, 1950, U.S. State Department notice according diplomatic recognition to the governments of the State of Vietnam, the Kingdom of Laos, and the Kingdom of Cambodia. |
| www.britannica.com /ebi/article-9314143 (927 words) |
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