There are two theories on why Yoshimoto made an invasion into the Owari Province in 1560; one is that Yoshimoto had the objective of proceeding to the capital (Kyoto), and the other is that he was aiming at putting down Nobunaga ODA and capturing Owari Province.
永禄3年（1560年）の尾張侵攻は、上洛目的説と織田信長討伐・尾張攻略説とがある。