It has Classes, a bit of religoin, info about 1185 - 1603, women, agriculture, manufacturing, trade, shintoism, war, influence of christianity, Oda Nobunaga, Toyotomi Hideyoshi & the korean invasion
Its really helpful in all aspects
The Kamakura period began with Minamoto no Yorimoto establishing the Kamakura Shogunate in 1192 in Kamakura. Minamoto referred to his new government as bakufu, which translates to "tent government". The Emperor gave the military title of Seii Tai-shogun to Minamoto and in Western literature his government is often referred to as the shogunate.
Japanese castles are an extremely important part of the country's history in architecture. These castles were constructed all over Japan for feudal lords called Daimyo. Castles served as a place for Daimyo to retreat after a battle or as a storage place for food and weapons.