The Sanada clan, which had lost Nobunaga's backup, was forced to cross between the umbrellas of neighboring territorial lords such as the Uesugi clan, Hojo clan and Tokugawa clan in order to keep shoryo (territory).
信長という後援が無くなった真田氏は、所領を守るために上杉氏・北条・徳川など周辺の諸大名の傘下を渡り歩くことになる。