Complex sentence: However, this did not bring about an end to the political unrest which was compounded by the French Government withdrawing its army permanently from Bangui and also its military base in Bouar, in October 1997.
Split into simpler sentences: However, this did not bring about an end to the political unrest. This was compounded by the French Government's withdrawal of its army from Bangui and also its closing of the military base in Bouar, in October 1997.