What river did Julius Caesar cross to precipitate the Roman Civil War?

Here is the question :

WHAT RIVER DID JULIUS CAESAR CROSS TO PRECIPITATE THE ROMAN CIVIL WAR?

Here is the option for the question :

• Rubicon
• Rhine
• Seine
• Loire

The Answer:

And, the answer for the the question is :

Explanation:

[STC0013620]. Caesar and his army entered Italy in 49 BCE by fording the Rubicon River. When Caesar did this, he effectively declared himself an enemy of the Roman Senate. The legislation set up a civil war that lasted five years, and after it was over, Caesar was made dictator for life.