Submarines are not barbaric weapons. However, some tactics, such as unwarned attacks were considered by some during WWII as barbaric. As with most things, the thing is not bad, but how it is applied can be.
They had no weapons.
They though that barbaric was a something that ate human beings.They considered monstours has a big giant with different characteristics
The weapon described is a depth charge.
One of the reasons he was "barbaric" is because he was a brilliant general who destroyed the crowns of Europe and his blood was not noble blood he was "barbaric" because the crowns were scared of him in basic reality
A submarine's primary weapon is typically its torpedoes, which are designed to be launched underwater to target enemy ships and submarines. Modern submarines can also carry cruise missiles, providing them with a long-range strike capability against land targets. The stealth and mobility of submarines allow them to position themselves strategically for effective attacks while remaining hidden from enemy detection.
In today's society, traits or behaviors that are often considered barbaric or monstrous include cruelty, violence, intolerance, and lack of empathy towards others. Actions such as terrorism, hate crimes, and acts of extreme brutality are universally condemned as barbaric and monstrous.
The king's ideas are somewhat uncivilized.
Torpedoes were the main weapon. The submarines also had a naval gun that they would use on unarmed ships and many had machine gun mounts as well.
they used U-boats, which are German submarines.
The sea itself could be considered her weapon, for she controlled it - with that, she needed no weapon.
Submarines
Spears, arrows, guns, flintlock, tanks, submarines, flame throwers to name a few.