戦国大名31E　相模北条家Ⅴ　北条氏綱の領国支配、関東管領上杉氏との戦い【秦野裕介　研究者と学ぶ日本史】

New channel 日本史オンライン講座: title sample judged 'whole' (A dedicated Japanese history teaching channel with lecture series, scholar-led seminars, and structured courses that ove); 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.

A 37-minute video from 日本史オンライン講座: “戦国大名31E　相模北条家Ⅴ　北条氏綱の領国支配、関東管領上杉氏との戦い【秦野裕介　研究者と学ぶ日本史】”.

Video by 日本史オンライン講座, played through YouTube's embedded player.