Developed an alphabet that was used by other civilizations

Sumerian

Explanation:

The sumerians invented the first way of writing called cuneiform which was the beginning of a way of writing.

gaius cassius longinus and marcus junius brutus, former enemies of julius caesar who'd joined the roman senate, led caesar's assassination, dubbing themselves "the liberators." and the second one is   the assassination of julius caesar was the result of a conspiracy by many roman senators led by gaius cassius longinus, decimus junius brutus albinus, and marcus junius brutus. they stabbed caesar (23 times) to death in a location adjacent to the theatre of pompey on the ides of march 15 march 44 bc.

peace keepers

idealism to be spread

riches kept