Roman Tsars were also called caesar. One way they underestimated their own ruling is that they thought they were <span>Invincible</span>, which wasn't true. They started concentrating on other things, and not on ruling and military. That resulted in rebellions and invasions.
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<span>The correct answer is that after the death of Alexander The Great, The current Macedonian generals during his time were arguing about, who will take over Alexander's great empire, after the argument, three distinct leaders were entitled, Antigonnus, Ptolemy, and Selecus. One was the ruled of the Macedonian Greek city-states, the other won over the tile of pharaoh on Egypt and lastly, the other won over control on the Persian Empire.</span>