Answer:
Xiongnu captured many other nomadic tribes. This act of capturing tribes forcefully increased the resentment towards the Xiongnu tribe.
Explanation:
The Xiongnu tribe is one of the longest dynasty which stretches up to almost three hundred years. The nomadic tribes were captured by the Xiongnu tribe and the people had started resenting the dynasty.
they did not want to be a part of the dynasty, therefore, they started antagonism. During that time, the question who will become the heir to the throne was also on a rise. The need of a king was in dire need to cut lose the suspects.