Baseball has joined America and Japan, even in times of strife, for over 150 years. After the "opening" of Japan by Commodore Perry, Sayuri Guthrie-Shimizu explains, baseball was introduced there by American employees of the Japanese government tasked with bringing Western knowledge and technology to the country, and Japanese students in the United States soon became avid players. In the early twentieth century, visiting Japanese warships fielded teams that played against American teams, and a Negro League team arranged tours to Japan. By the 1930s, professional baseball was organized in...