A closer look

Digging into the earth to survive a battle is not new — Persians, Romans, and even medieval fighters carved defenses into the ground. But what stunned the world in 1914 was how modern weapons magnified that old practice. Machine guns, long-range shells, poisonous clouds — all thundered above men caged in mud-soaked ditches. Progress had sprinted so fast in weapon making that strategy tripped and fell behind, leaving millions trapped in waiting games that stretched for years. War was suddenly less about glory, and more about endurance.