Rise of the Samourai
Here are grammatical corrections without changing the structure or meaning. I kept your sentences and paragraph divisions but fixed grammar, punctuation, capitalization, word choice, agreement, and minor typos. Japan, prior to the ‘peaceful’ arrival of the western world in its market, was dominated by the Shogunates. While up until their establishment the emperor was the official head of state in Japan, he had been long reduced to a figurehead and heavily influenced by powerful clans in the court, like the Fujiwara and the Taira. The Imperial Family still maintained a great degree of control over politics up until the 12th century, where a succession of events would truly end their domination. The prelude of the Genpei War started with a dynastic struggle known as the Hōgen Rebellion, which dramatically altered the dynamics of the imperial court. To make it short, a brotherly rivalry within the Imperial House, various factions aiming for power and one careless Emperor Toba led to ...