After he vetoed the Whig domestic legislative agenda , he was expelled from his own party on September 13 , 1841 .
Tyler , a Whig in name only , emerged as a states ' rights advocate committed to slavery expansion in defiance of his party 's principles .
After Tyler vetoed the Whig domestic legislative agenda , Tyler was expelled from Tyler 's own party on September 13 , 1841 .
Tyler , a Whig in name only , emerged as a states ' rights advocate committed to slavery expansion in defiance of his party 's principles .