 Complete the following phrase:  In May 1916 British forces, acting in conjunction with Belgian troops from the Congo, crossed into German East Africa as part of the Tabora Offensive. It was decided at this point that the NVR should cease to act as an independent unit and it was broken up with individuals serving as officers in the KAR or as logistics or intelligence officers with other units. The NVR was demobilised on 27 November 1918, after the 