YOU SAID:

There were many notorious mobsters in the 1920's in America which is why many prisons opened particularly in New York, Chicago and Los Angeles.

INTO JAPANESE

1920年代のアメリカには悪名高いギャングがたくさんいたため、特にニューヨーク、シカゴ、ロサンゼルスに多くの刑務所が開かれました。

BACK INTO ENGLISH

Due to the large number of infamous gangsters in the United States in the 1920s, many prisons were opened, especially in New York, Chicago, and Los Angeles.

INTO JAPANESE

1920年代の米国では悪名高いギャングの数が多かったため、特にニューヨーク、シカゴ、ロサンゼルスで多くの刑務所が開かれました。

BACK INTO ENGLISH

Due to the large number of infamous gangsters in the United States in the 1920s, many prisons were opened, especially in New York, Chicago, and Los Angeles.