(education, school subject) Short for 現代社会 (gendai shakai, “modern society”).

understanding, comprehension / appreciation

important, significant

importance, consequence, significance

teach; to instruct; give a lesson

instruction; teaching; school; lesson, class

understand, comprehend / appreciate

deep, profound

history / the study of history

modern times, variously described as after the 19th century, after World War I, or after World War II, until the present