America First Union Party

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 * colorcode=
 * name=America First Union Party
 * logo=Free Soil campaign banner.jpg
 * caption=Martin Van Buren/Charles Francis Adams campaign banner
 * leader=Martin Van Buren Salmon P. Chase John P. Hale
 * newspaper=Free Soil Banner
 * foundation=1848
 * dissolution=1854
 * merger=Barnburner Democrats Conscience Whigs Liberty Party
 * merged=Republican Party
 * headquarters=Buffalo, New York
 * ideology=Anti-slavery
 * position=
 * slogan="Free Soil, Free Speech, Free Labor, Free Men"
 * colors= Olive green
 * country=United States