Xiang Yu ordered his troops' cooking pots _______________(crush) and their sailing ships_____________ (burn) after taking his troops across a river to______________ (raid) the enemy.

Why did General Xiang Yu order his troops to crush their cooking pots and burn their sailing ships when

A、

By doing this,  it would be a great war.

By doing this, the soldiers would be more determined and concentrated on the battles.

By doing this, Xiang Yu wanted to show his talent. 

By doing this, the soldiers would be scared and escape. 

When crossing the Zhang River, General Xiang Yu ordered his troops to crush their cooking pots and burning

Why did General Xiang Yu order his troops to crush their cooking pots and burn their sailing ships when

By having their cooking pots crushed and their sailing ships burned, Xiang Yu gave his troops more options