These "twin shocks"—the atomic bombing of Hiroshima and the Soviet entry—had immediate profound effects on Prime Minister Kantarō Suzuki and Foreign Minister Shigenori Tōgō, who concurred that the government must end the war at once. However, the senior leadership of the Japanese Army took the news in stride, grossly underestimating the scale of the attack. With the support of Minister of War Anami, they started preparing to impose martial law on the nation, to stop anyone attempting to make peace. Hirohito told Kido to "quickly control the situation" because "the Soviet Union has declared war and today began hostilities against us."