Department of Justice (US)
Refers specifically to the United States Department of Justice. Not used for justice ministries of other countries.
The Department of Justice is responsible for enforcing federal law.
Ministry of Justice (Japan, 1871-1948)
Historical term for Japan's Ministry of Justice before it was reorganized into the current 法務省 in 1948.
See also: 法務省
The prewar Ministry of Justice is the predecessor of the current Ministry of Justice.