It's never happened since,

之后也再没有
a new third party had come so close to winning.

第三政党能离胜利就一步之遥
The platform of the Republican Party in 1856 was,

共和党1856年的竞选纲领
if anything, slightly more radical than it had been two years earlier

比两年前其在1854年国会选举时
in those congressional elections of 1854.

稍显激进
They took a staunch stand about slavery expansion.

他们在奴隶制扩张的问题上态度强硬
They took a staunch stand on keeping Kansas free.

坚持堪萨斯州不应实行奴隶制
They announced, directly, that they would, quote,

他们直接声明他们将会
"destroy slavery wherever

"只要是联邦政府所辖之处
federal jurisdiction reigned."

就要消灭奴隶制"
For president they ran John C. Fremont,

他们推约翰·C·弗里蒙特竞选总统
a young, dashing, romantic, heroic type.

他年轻胆大浪漫有英雄气概