What was the Union military’s reason for wanting to control Louisiana during the Civil War?

Once war was declared, the Union's objective in Louisiana was to gain control of the Mississippi River, forcing Confederate troops to defend Louisiana and prevent Federal troops from dividing the eastern and western parts of the Confederacy along the Mississippi.

Explanation:

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.