By the <span> chief justice of the United States presides. </span>
Answer:
Florence is considered an oligarchy because 75% of its population had no power therefore it was not a Republican or a democracy it was also not a monarchy because it had no king or queen nor was it a dictatorship because it was ruled by more than one person.
A voilent protest, threats towards a school or a threat to a federal ran business such as a post office some banks police station etc.