Title: Carnival.
Question: On what day is full costume worn?

Title: Uranium.
Question: Along with uranium-235, what isotope is noted for having a high fission cross-section for slow neutrons?

Title: Samurai.
Question: Where did Japanese warriors come to literary maturity?

Title: Pacific War.
Question:
In 2007 which Japenese Prime Minister said there was no proof of coercion of women to be sexual slaves?