The roman republic was characterized by all of the following features except

The Roman Republic (Latin: Rēs pūblica Rōmāna, Classical Latin: [ˈreːs ˈpuːb.lɪ.ka roːˈmaː.na]) was the era of classical Roman civilization beginning with the overthrow of the Roman Kingdom, traditionally dated to 509 BC, and ending in 27 BC with the establishment of the Roman Empire. It was during this period that Rome's control expanded from the city's immediate surroundings to hegemony over the entire Mediterranean world.

-an amendment is proposed.

-two-thirds of congress must approve.

-thee-quarters of states must approve.

-the proposed amendment becomes law.

hope this