What came first the roman empire or the roman republic? what was the roman republic like? what was the roman empire like? who were some roman emperors? describe one. will give the brainliest

 Roman Republic.

                it was ruled by Julius Caesar until his assassination  then it became the Roman Empire.

                The Roman Empire was fair but there was some very cruel leaders of the Empire.

Some of the emperors were the First one was Caesar Augustus there was also Nero who was very very cruel.

Explanation:

studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.