Final answer:
The form of Night Attack on the Sanjū Palace during the Kamakura Period in Japan in 1300 C.E. is a handscroll.
Step-by-step explanation:
The form of Night Attack on the Sanjū Palace during the Kamakura Period in Japan in 1300 C.E. is a handscroll. Handscrolls are long, horizontal scrolls that are unrolled horizontally to reveal a sequential narrative. They were commonly used in Japan for storytelling and recording historical events.