How the Qin Empire Collapsed in Just Fifteen Years

In the last episode, Zhang Han surrendered with a large Qin force. By then the dynasty was already down to its last breath.

But how that last breath failed still matters.

Qin did not die only on the battlefield. It first rotted inside the court.

After Zhang Han Submitted, Xiang Yu Gained Men but Lost Guanzhong Hearts

Once Zhang Han joined Xiang Yu, the Chu side suddenly controlled huge manpower.

But those surrendered soldiers were still Qin men. As they moved with the Chu army toward Guanzhong, they were mistreated and humiliated. Their resentment grew.

Xiang Yu and his circle feared that once these men reached home territory, they might turn.

So they chose a ruthless solution and massacred them.

That removed a military danger in the short term. It also poisoned Guanzhong feeling toward Xiang Yu before he had even arrived.

Liu Bang Reached the Pass First

Xiang Yu's great mass moved slowly.

Liu Bang's smaller force moved more quickly and had no burden like the surrendered Qin troops. He reached Wu Pass first and pushed toward the Qin capital zone.

At that point even Qin Er Shi could no longer pretend the crisis was distant.

Zhao Gao Moved Against the Emperor Before the Enemy Arrived

Zhao Gao understood that the game was collapsing.

Rather than wait for military disaster to expose him, he struck first inside the palace. Hu Hai was maneuvered into isolation. Armed men entered. The young emperor tried to bargain downward from emperor to king to marquis to lesser titles.

Nothing remained for him.

He killed himself.

The ruler Zhao Gao had helped place on the throne also died by Zhao Gao's hand.

Ziying Knew He Would Be Next Unless He Moved First

After Hu Hai's death, Zhao Gao needed another figure on the throne. Most direct heirs of the First Emperor had already been eliminated, so the choice fell on Ziying from a younger generation.

Zhao Gao also advised him to take the title King of Qin rather than emperor. The realm, he argued, already hated the imperial name too much.

Ziying understood the real meaning.

If Zhao Gao could kill Hu Hai, he could kill him too.

So Ziying feigned illness, lured Zhao Gao close, and had him cut down.

The man who had done so much to destroy Qin was finally dead.

But that could no longer save the dynasty.

Xianyang Could No Longer Be Defended

By then Liu Bang's force was advancing toward Lantian. There was no real field army left to stop him.

Court guards and improvised defenders could not reverse the situation. Ziying saw that fighting to the end would only destroy himself and the city together.

So he chose surrender.

When Ziying Submitted, Qin Was Finished

Ziying came in plain dress, with ropes around his neck and the imperial seals and documents in hand, and submitted to Liu Bang.

The symbolism was overwhelming.

Liu Bang had once been only a low-ranking local official under Qin. Now the grandson of Qin Shi Huang yielded the empire to him.

From the First Emperor's assumption of the new title to Ziying's surrender, only about fifteen years had passed.

Liu Bang Almost Repeated Qin's Errors the Moment He Entered Xianyang

Even then, danger remained.

Once Liu Bang entered the capital zone and saw its palaces, treasure, and women, he nearly gave himself over to pleasure in the same way later Qin rulers had.

Fortunately Xiao He, Fan Kuai, and Zhang Liang pulled him back. Zhang Liang said plainly that Qin had died because of exactly this kind of indulgence.

Xiao He did something equally important. While others looked at wealth, he took maps, registers, laws, and administrative archives. He understood that those materials mattered more than luxury goods if one wished to rule.

The Three-Point Agreement Helped Turn Guanzhong Hearts

Liu Bang withdrew his army to Bashang and then summoned the elders of Guanzhong. He announced a simple legal settlement: those who killed would die, those who injured or robbed would be punished, and the old harsh Qin laws would largely be set aside.

That was a short statement, but it had enormous effect.

After Xiang Yu's slaughter of surrendered Qin troops and Liu Bang's milder entry, local people could easily compare the two men.

Guanzhong feeling slowly tilted toward Liu Bang.

He even began to hope he might truly become king of Guanzhong.

But before that dream could settle, a far greater army was already approaching.

In the next episode, Xiang Yu reaches the pass, and the tension between the two rising powers leads to the famous Hongmen Banquet.