Simplify the following text for a Grade 12 native English-speaking person.
Original: The First Triumvirate is the name most historians give to the political alliance between Gaius Julius Caesar , Marcus Licinius Crassus and Gnaeus Pompeius Magnus .
Simplified: The First Triumvirate was the political alliance of Gaius Julius Caesar , Marcus Licinius Crassus , and Gnaeus Pompeius Magnus .