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        Zen Buddhism is a school of Buddhism that emphasizes meditation (zazen) and direct, intuitive experience to achieve enlightenment, or seeing one's true nature. - 
  
  Samurai became the dominant warrior class, holding power and social prestige.
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        Minamoto no Yoritomo became the first shogun in 1192 after defeating his rivals in the Genpei War, establishing a new military government called the bakufu (shogunate) with his headquarters in Kamakura. - 
  
  Mongol forces tried to invade Japan but were defeated, partly due to “divine winds.”
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        Ashikaga Takauji took power, marking a new shogunate after the fall of Kamakura rule. - 
  
  The Ōnin War (1467–1477) was a civil war that ignited the Sengoku period (Warring States period) by fatally weakening the central authority of the Ashikaga shogunate.
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        Christianity was introduced to Japan, leading to cultural exchange and later suppression. - 
  
  Oda Nobunaga was a powerful feudal warlord who unified much of Japan in the late 16th century, laying the groundwork for the unification of the entire country by his successors.
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        Finished the unification process and implemented strict social rules. - 
  
  The Bushido code became central to samurai life by providing a moral compass that governed their actions, emphasizing virtues like loyalty, honor, courage, and self-discipline.
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        Tokugawa Ieyasu became shogun in 1603, establishing the Tokugawa Shogunate and beginning the Edo period, which ushered in over 250 years of relative peace and stability in Japan. - 
  
  Japan closed itself off to foreign contact, banning Christianity and trade with most nations.
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  Western nations forced Japan to open trade, leading to the fall of the shogunate.