I believe it was the young militants and italian groups
Gaius Cassius Longinus (Cassius) and Marcus Junius Brutus (Brutus). I consider these two as accomplices. Brutus spent his life in Ceaser's shadow, therefore igniting his uneasiness and rage. Cassius had heard rumors that Ceaser was sleeping with his wife, as well as other unsatisfactory things about him.
Bronze a mixture of tin and copper please mark brainliest if I am right. Thanks have a wonderful day.