Complex sentence: As Bimbaşa Sava, the commander of the Bucharest garnison, saw that Suţu left without paying them, started following him, leaving Bucharest without any troops, which allowed tramps to organize in gangs which robbed the Royal Court.
Split into simpler sentences: As Bimbaşa Sava, the commander of the Bucharest garrison, saw that Suţu left without paying them, he started following Suţu. This left Bucharest without any troops, allowing tramps to organize in gangs which robbed the Royal Court.