Complex sentence: He soon allied himself with the Visigothic leaders Fritigern and Alavius against Rome, the three of them engaged a Roman army at the battle of the Salices on the lower Danube in 377, the result was a draw.
Split into simpler sentences: He soon allied himself with the Visigothic leaders Fritigern and Alavius against Rome. The three of them engaged a Roman army at the Battle of the Salices on the lower Danube in 377, and the result was a draw.