History Channel - WWI The First Modern War (2014) Part 4 Under Water Killers

WWI: The First Modern War

When ancient war tactics like set ground battles with troops bunkered down in massive trenches became overwhelmed by powerful new weapons like tanks, air attacks, weapons of mass destruction and submarines, a pivotal game-changing moment in history occurred. These new weapons would end up defining modern warfare and now through experts, eyewitness testimony, riveting archive and specially- created recreations, History is delving into the background of each weapon explaining the how and why they were developed, the strategy, and their ultimate effectiveness.

Part 4: Under Water Killers

The Atlantic became a killing field as German submarines took on the might of the dominant British Navy. The stealth and silent killers were able to sink 5,200 ships by war's end, and nearly brought Britain to its knees. But in their frenzy of attacks, the Germans sink the US passenger liner Lusitania, killing nearly 2,000 on board. American outrage helped President Wilson get Congress to finally agree to enter the war. In the end, the Allied Atlantic blockade forces Germany to surrender, but the submarine was established as an effective military weapon.

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