Original sentence: Bulgaria was overwhelmed by the Greek and Serbian armies, while in the north the Romanian army was marching towards Sofia; the Bulgarians asked for truce.The rupture between the allies due to the Bulgarian diplomatic tactics was inevitable
Edited sentence: However this was done right infront of the advancing Bulgarian army and against the preliminary agreement, that it would be the Bulgarian army to capture Thessaloniki.Right when the Bulgarian army managed to stop them and was going to turn the situation in its favor, from the North the Romanian army attacked suddenly and undisturbed marched towards Sofia; the Bulgarians asked for truce.The rupture between the allies due to the breaking of the preliminary agreements was inevitable