Plz me with this
what marked the official transition from roman republic to roman empire?

a. when gaius marius began his rule as consul

b. when augustus, formally known as octavian became emperor of rome

c. when tiberius beliefs threatened the senate and gained support of rome's underclass

Write a 5- paragraph that explains the three main causes of the overthrow (mahele, reciprocity treaty and the bayonet constitution). say why each was a factor that led to the eventual overthrow. choose one that you think was the most important and explain why. make sure you have a thesis statement in your introduction, and a strong concluding paragraph.