Final answer:
The Zhou Dynasty ended when b. Lu Wang's warning of an invasion was ignored.
Step-by-step explanation:
The Zhou Dynasty's end is traditionally linked to Duke Jing of Qi's dismissal of Lu Wang's warning in 771 BCE. Lu Wang prophesied an impending invasion by the northern barbarians, but his counsel was disregarded. Subsequently, the Rong and Di peoples attacked, leading to the capital's sack.
Although the Zhou continued nominally, the event marked a significant decline. This period, known as the Western Zhou's end, transitioned into the Eastern Zhou, with power fragmented among various states, setting the stage for the Warring States Period. The historical accuracy of this narrative is debated among scholars.