1. After the war, a character called Uncle Sam began appearing in political cartoons, his form evolving from an earlier cartoon character called Brother Jonathan that was popular during the American Revolution.
    战后，政治漫画里开始出现了一个名叫"山姆大叔"的人物。他的原型是一个早期漫画人物，名叫乔纳森大哥，此人在美国独立战争时期非常出名。