Hirota Koki vs Umaru YarAdua

Hirota Koki became Prime Minister in March 1936, forming a cabinet after the February 26 Incident. As a civilian, he was seen as a compromise candidate, but his government was dominated by the military and pursued expansionist policies.

Hirota's government signed the Anti-Comintern Pact with Nazi Germany in November 1936, forming an alliance against the Soviet Union and international communism. This pact aligned Japan with Germany and Italy, leading to the Axis alliance.

As Foreign Minister in 1937, Hirota was responsible for diplomatic relations during the Nanking Massacre. The Tokyo Tribunal found that he failed to take adequate steps to stop the atrocities despite receiving reports, contributing to his war crimes conviction.

Hirota Koki was executed by hanging on December 23, 1948, after being convicted by the International Military Tribunal for the Far East. He was found guilty of conspiracy to wage aggressive war and for atrocities committed by Japanese forces in China, including the Nanking Massacre.

Umaru Yar'Adua won the April 2007 presidential election as the candidate of the People's Democratic Party. The election was widely criticized by domestic and international observers for widespread fraud and irregularities, but Yar'Adua was inaugurated on May 29, 2007.

Yar'Adua initiated a presidential amnesty program for militants in the Niger Delta region in June 2009. The program offered disarmament, demobilization, and reintegration in exchange for an end to attacks on oil infrastructure, leading to a significant reduction in violence.

Yar'Adua died on May 5, 2010, after a prolonged illness. His death triggered a constitutional crisis as he had been absent from the country for medical treatment for months, leading to Vice President Goodluck Jonathan assuming acting powers before eventually becoming president.