Complex sentence: Maubeuge was a junction of five railways or more, and consequently had 15 forts and gun batteries, totaling 435 guns, along with a permanent garrison of 35,000 troops, a number enhanced by the British Expeditionary Force.
Split into simpler sentences: Maubeuge was a junction of five railways or more, and consequently was a protected city. Maubeuge had 15 forts and gun batteries, totaling 435 guns, along with a permanent garrison of 35,000 troops, a number enhanced by the British Expeditionary Force.