How did the life of the Japanese change after the discovery of Japan?

The discovery of Japan took place in two stages with the following consequences:

Around 1540, the Portuguese sailed there from the south (from Malaysia), trade began, the Japanese learned gunpowder and other European innovations of that time, mainly military ones.

In 1868, the Meiji era began in Japan, the capital was moved to Tokyo from Kyoto, and the shogunate era ended. Factories, railways, telephone, telegraph, conscription army, constitution, parliament and other European innovations of the 19th century appeared in Japan. In 1895, the Japanese won the war with China and began their expansion into Korea, which culminated in its annexation in 1910.