YOU SAID:

The Union Pacific Railroad's workforce was mainly slaves and irish immigrants. The Central Pacific Railroad, later the Southern Pacific Railroad, had a workforce comprised mainly of chinese immigrants

INTO JAPANESE

ユニオン・パシフィック鉄道の労働力は主に奴隷とアイルランド移民であった。セントラル・パシフィック鉄道、後のサザン・パシフィック鉄道には、主に中国人移民で構成された労働力があった

BACK INTO ENGLISH

Union Pacific Railroad's labor force was primarily slaves and Irish immigrants. The Central Pacific Railroad, later the Southern Pacific Railroad, had a labor force composed primarily of Chinese immigrants.

INTO JAPANESE

ユニオン・パシフィック鉄道の労働力は主に奴隷とアイルランド移民であった。セントラル・パシフィック鉄道、後のサザン・パシフィック鉄道には、主に中国人移民で構成された労働力があった。

BACK INTO ENGLISH

Union Pacific Railroad's labor force was primarily slaves and Irish immigrants. The Central Pacific Railroad, later the Southern Pacific Railroad, had a labor force composed primarily of Chinese immigrants.