Short answers, pulled from the story.
Mitsuyo Seo directed the 1943 film Momotaro no Umiwashi. The project was produced by the Shochiku Moving Picture Laboratory and commissioned by the Japanese Naval Ministry for World War II propaganda purposes.
The sequel Momotaro: Sacred Sailors was released in 1943. A negative copy of the film was discovered in Shochiku's Ofuna warehouse in 1983, and the film was re-released in 1984.
Momotaro: Sacred Sailors depicts the Japanese invasion of the island of Celebes, which was acquired by the Dutch East India Company. The film shows Japanese forces ambushing armored cars and forcing British officials to surrender the island to Japanese rule.
The negative copy of Momotaro: Sacred Sailors was found in Shochiku's Ofuna warehouse in 1983. The film had been presumed confiscated and burned by American occupation forces following World War II.
Momotaro: Sacred Sailors was selected for the Cannes Classics section at the 2016 Cannes Film Festival in 2016. UK-based company All the Anime announced a Blu-ray release in May 2016, and US distributor Funimation released the film on Blu-ray and DVD in the same month.