translation.en: And they threw up walls -- political walls, trade walls, transportation walls, communication walls, iron curtains -- which divided peoples and nations.
translation.zh: 这些势力制造了很多壁垒, 政治壁垒, 贸易壁垒, 运输壁垒, 通信壁垒, 以及种种阻碍交流的无形屏障, 它们分裂了人民, 也分裂了国家.