It was '<span>military defeats, rebellions, and economic troubles' that </span>indicated that the Tang Dynasty had lost the Mandate of Heaven.
The mandate Heavens was the believes in China that the Heaven gave kings the policy to rule according to their wisdom and knowledge.
Germany's invasion on poland started it. Hope this helps!
<span>Rip Van Winkle slept through the American Revolution. King wanted
to stir his audience to not sleep through the revolution he was leading</span>
John White maybe not for sure ......Have a good day