Lyndon Johnson as President (article)
The link address is: https://www.khanacademy.org/humanities/ap-us-history/period-8/apush-1960s-america/a/lyndon-johnson-as-president
The link address is: https://www.khanacademy.org/humanities/ap-us-history/period-8/apush-1960s-america/a/lyndon-johnson-as-president