Why was crossing the Rubicon with a standing army such a significant decision

Explanation:

An ancient Roman law forbade any general from crossing the River Rubicon and entering Italy proper with a standing army. The purpose of the law was to protect the republic from internal military threat. Crossing the Rubicon would reveal Caesar's ultimate aspirations and mark a point of no return.

answer; /// the above statement is (false); the smaller states objected to the virginia plan because they would have fewer votes that the larger states;