Lyndon Baines Johnson, often referred to by his initials LBJ, was an American politician who served as the 36th president of the United States from 1963 to 1969. During his administration he signed into law the Civil Rights Act (1964), the most comprehensive civil rights legislation since the Reconstruction era, initiated major social service programs, and bore the brunt of national opposition to his vast expansion of American involvement in the Vietnam War.

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