Complex sentence: At one point, Betances and his Regimental Commander, Colonel Juan Cordero visited his men in the front lines, despite the dangers involved; this act was very important to his men as it helped to lift their moral and spirits.
Split into simpler sentences: At one point, Betances and his Regimental Commander, Colonel Juan Cordero visited his men in the front lines, despite all the dangers involved. This was very important to his men, since it helped to lift their moral and spirits.