The Kamakura period, which lasted from the 12th to the 14th century, was a time of political upheaval and marked the rise of the shogunate.

The Allied occupation of Japan following World War II brought about major political and social changes, including the drafting of a new constitution and the abolition of the samurai class.

Kawasaki is a major industrial city located between Tokyo and Yokohama, and is known for its heavy machinery and technology industries.