Answer:
Social and ethnic structures caused discontent. Spanish born peninsulares, members of the highest social class, dominated political and social life.
Explanation:
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The answer is <span>Rome becoming a republic.
here are the dates </span><span>It became a republic in 509 BC, Julius Caesar is assassinated in 44 BC, and Rome becomes an empire when Augustus takes power in 27 BC.</span><span />
Through the use of naval power