 Complete the following phrase:  In March 1923, Stamboliyski signed an agreement with Yugoslavia recognizing the new border and agreeing to suppress IMRO. This triggered a nationalist reaction, and on 9 June there was a coup organized by the armed forces under General Ivan Valkovs Military Union with support from the Tsar and other right wing elements of the Tsardom after the AP controlled 87 of Parliament in the elections that year. The Bulgarian government could only muster a handful of troops to resist, and even worse was a peasant mob with no guns rallied by Stamboliyski. Despite this, the streets of Sofia erupted in chaos and the hapless prime minister was lynched in addition to attacks on unarmed peasants. The whole affair seriously tarbrushed Bulgarias international image. A right wing government under Aleksandar Tsankov took power, backed by the Tsar, the army and the VMRO, who waged a White terror against the Agrarians and the Communists. The Communist leader Georgi Dimitrov fled to the Soviet Union. There was savage repression in 1925 following the second of two failed attempts on the Tsars life in the 