The roman republic was formed in the fifth century b. c. why did the senate vote to establish a republic and never again allow a king to rule rome?

the story goes that because of this belief, constantine was able to defeat his foes. constantine became an ardent1 christian. christianity and other religions were tolerated under constantine's rule. constantine also was responsible for the building of a great cathedral in rome.

its many islands, high mountains, and remote peninsulas isolated population centers.