As Emperor Bidatsu was close to anti-Buddhist faction, MONONOBE no Moriya and Nakatomi clan, who belonged to anti-Buddhist faction got the boost from the Emperor, and SOGA no Umako, who belonged to pro-Buddhist faction, was opposed to the Emperor.
敏達天皇は廃仏派よりであり、廃仏派の物部守屋と中臣氏が勢いづき、それに崇仏派の蘇我馬子が対立すると言う構図になっていた。